Skeletal system. anatomy and physiology of skeletal system. appendicular skel...mamtabisht10
SKELETAL SYSTEM
bones, cartilage and ligaments are tightly joined to form a strong, flexible framework called skeletal system
anatomy and physiology of axial and appendicular skeletal system
Axial Skeleton: The axial skeleton includes the skull, spine, ribs and sternum.
Appendicular Skeleton:
The appendicular skeleton includes the appendages of the body, which are the shoulders, arms, hips, and legs.
The muscular system is composed of specialized cells called muscle fibers. Their predominant function is contractibility. Muscles, attached to bones or internal organs and blood vessels, are responsible for movement. Nearly all movement in the body is the result of muscle contraction.
Skeletal system. anatomy and physiology of skeletal system. appendicular skel...mamtabisht10
SKELETAL SYSTEM
bones, cartilage and ligaments are tightly joined to form a strong, flexible framework called skeletal system
anatomy and physiology of axial and appendicular skeletal system
Axial Skeleton: The axial skeleton includes the skull, spine, ribs and sternum.
Appendicular Skeleton:
The appendicular skeleton includes the appendages of the body, which are the shoulders, arms, hips, and legs.
The muscular system is composed of specialized cells called muscle fibers. Their predominant function is contractibility. Muscles, attached to bones or internal organs and blood vessels, are responsible for movement. Nearly all movement in the body is the result of muscle contraction.
Explore the mysteries of our skeletal system and delve into the fascinating stories behind our bones. Uncover the unique characteristics of our skeletons and understand how they protect our bodies and provide us with mobility.
A detail account of Bones, their histological features, classification, composition, Formation, blood and nerve supply, functions, plus some interesting facts about bones.
The skeletal system provides support and protection for the body’s internal organs and gives the muscles a point of attachment. Humans have an endoskeleton, where our bones lie underneath our skin and muscles. In other animals, such as insects, there is an exoskeleton on the outside of the body.
This is a presentation by Dada Robert in a Your Skill Boost masterclass organised by the Excellence Foundation for South Sudan (EFSS) on Saturday, the 25th and Sunday, the 26th of May 2024.
He discussed the concept of quality improvement, emphasizing its applicability to various aspects of life, including personal, project, and program improvements. He defined quality as doing the right thing at the right time in the right way to achieve the best possible results and discussed the concept of the "gap" between what we know and what we do, and how this gap represents the areas we need to improve. He explained the scientific approach to quality improvement, which involves systematic performance analysis, testing and learning, and implementing change ideas. He also highlighted the importance of client focus and a team approach to quality improvement.
The Indian economy is classified into different sectors to simplify the analysis and understanding of economic activities. For Class 10, it's essential to grasp the sectors of the Indian economy, understand their characteristics, and recognize their importance. This guide will provide detailed notes on the Sectors of the Indian Economy Class 10, using specific long-tail keywords to enhance comprehension.
For more information, visit-www.vavaclasses.com
Palestine last event orientationfvgnh .pptxRaedMohamed3
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The Art Pastor's Guide to Sabbath | Steve ThomasonSteve Thomason
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The Roman Empire A Historical Colossus.pdfkaushalkr1407
The Roman Empire, a vast and enduring power, stands as one of history's most remarkable civilizations, leaving an indelible imprint on the world. It emerged from the Roman Republic, transitioning into an imperial powerhouse under the leadership of Augustus Caesar in 27 BCE. This transformation marked the beginning of an era defined by unprecedented territorial expansion, architectural marvels, and profound cultural influence.
The empire's roots lie in the city of Rome, founded, according to legend, by Romulus in 753 BCE. Over centuries, Rome evolved from a small settlement to a formidable republic, characterized by a complex political system with elected officials and checks on power. However, internal strife, class conflicts, and military ambitions paved the way for the end of the Republic. Julius Caesar’s dictatorship and subsequent assassination in 44 BCE created a power vacuum, leading to a civil war. Octavian, later Augustus, emerged victorious, heralding the Roman Empire’s birth.
Under Augustus, the empire experienced the Pax Romana, a 200-year period of relative peace and stability. Augustus reformed the military, established efficient administrative systems, and initiated grand construction projects. The empire's borders expanded, encompassing territories from Britain to Egypt and from Spain to the Euphrates. Roman legions, renowned for their discipline and engineering prowess, secured and maintained these vast territories, building roads, fortifications, and cities that facilitated control and integration.
The Roman Empire’s society was hierarchical, with a rigid class system. At the top were the patricians, wealthy elites who held significant political power. Below them were the plebeians, free citizens with limited political influence, and the vast numbers of slaves who formed the backbone of the economy. The family unit was central, governed by the paterfamilias, the male head who held absolute authority.
Culturally, the Romans were eclectic, absorbing and adapting elements from the civilizations they encountered, particularly the Greeks. Roman art, literature, and philosophy reflected this synthesis, creating a rich cultural tapestry. Latin, the Roman language, became the lingua franca of the Western world, influencing numerous modern languages.
Roman architecture and engineering achievements were monumental. They perfected the arch, vault, and dome, constructing enduring structures like the Colosseum, Pantheon, and aqueducts. These engineering marvels not only showcased Roman ingenuity but also served practical purposes, from public entertainment to water supply.
Model Attribute Check Company Auto PropertyCeline George
In Odoo, the multi-company feature allows you to manage multiple companies within a single Odoo database instance. Each company can have its own configurations while still sharing common resources such as products, customers, and suppliers.
Synthetic Fiber Construction in lab .pptxPavel ( NSTU)
Synthetic fiber production is a fascinating and complex field that blends chemistry, engineering, and environmental science. By understanding these aspects, students can gain a comprehensive view of synthetic fiber production, its impact on society and the environment, and the potential for future innovations. Synthetic fibers play a crucial role in modern society, impacting various aspects of daily life, industry, and the environment. ynthetic fibers are integral to modern life, offering a range of benefits from cost-effectiveness and versatility to innovative applications and performance characteristics. While they pose environmental challenges, ongoing research and development aim to create more sustainable and eco-friendly alternatives. Understanding the importance of synthetic fibers helps in appreciating their role in the economy, industry, and daily life, while also emphasizing the need for sustainable practices and innovation.
Students, digital devices and success - Andreas Schleicher - 27 May 2024..pptxEduSkills OECD
Andreas Schleicher presents at the OECD webinar ‘Digital devices in schools: detrimental distraction or secret to success?’ on 27 May 2024. The presentation was based on findings from PISA 2022 results and the webinar helped launch the PISA in Focus ‘Managing screen time: How to protect and equip students against distraction’ https://www.oecd-ilibrary.org/education/managing-screen-time_7c225af4-en and the OECD Education Policy Perspective ‘Students, digital devices and success’ can be found here - https://oe.cd/il/5yV
Instructions for Submissions thorugh G- Classroom.pptxJheel Barad
This presentation provides a briefing on how to upload submissions and documents in Google Classroom. It was prepared as part of an orientation for new Sainik School in-service teacher trainees. As a training officer, my goal is to ensure that you are comfortable and proficient with this essential tool for managing assignments and fostering student engagement.
2. Introduction to Human Skeletal System:
• Skeletal system is the system of bones, associated
cartilages and joints of human body. Together these
structures form the human skeleton.
• Skeleton can be defined as the hard framework of
human body around which the entire body is built.
• Joints are very important because they make the
hard and rigid skeleton allow different types of
movements at different locations. If the skeleton
were without joints, no movement would have taken
place and the significance of human body; no more
than a stone.
3.
4. Components of Human Skeleton:
1. Bones:
Bone is a tough and rigid form of connective tissue. It is
the weight bearing organ of human body and it is
responsible for almost all strength of human skeleton.
5. Types of Bones
1.LONG BONES
These bones typically have an elongated shaft
and two expanded ends one on either side of
the shaft. The shaft is known as diaphysis and
the ends are called epiphyses.
6.
7. (cont.) Types of bones
2. SHORT BONES
These bones are short in
posture and can be of any
shape. Most of them are
named according to their
shape. In fact all the
carpal and tarsal bones
are included in this
category.
Carpal Bones
8. (cont.) Types of bones
3. FLAT BONES
These bones are flat in
appearance and have two
prominent surfaces. They
resemble shallow plates
and form boundaries of
certain body cavities.
Examples include scapula,
ribs, sternum etc.
Scapula
9. (cont.) Types of bones
4. IRREGULAR
BONES
The shape of these bones
is completely irregular and
they do not fit into any
category of shape.
Examples of this type of
bones are vertebrae, hip
bone and bones in the
base of skull. Hip Bone
10. (cont.) Types of bones
5. SESAMOID
BONES
These are not like the
other types of bones
because they are in the
form of nodules
embedded in tendons and
joint capsules. Examples
of this type of bones are
patella, pisiform and
fabella. Patella
11. The Histology of Bone
Two types of Bone Tissue:
1. Compact or dense bone is strong and
solid.
2. Cancellous or spongy bone has many
open spaces filled with bone marrow.
12. (cont.)Components of Human Skeleton:
2. Cartilages:
Cartilage is also a form of connective tissue but
is not as tough and rigid as bone. The main
difference in the cartilage and bone is the
mineralization factor. Bones are highly
mineralized with calcium salts while cartilages
are not.
13. Types of cartilage
There are three types of
cartilage;
• Hyaline cartilage
• Fibrous cartilage
• Elastic cartilage
14. Hyaline cartilage
This type of cartilage has
very thin fibers having
same refractive index as
the matrix of the cartilage
and thus these fibers are
not seen. Hyaline cartilage
is the articular cartilage of
long bones, sternum, ribs
etc. Its color is bluish
white and it is flexible.
15. Fibrous cartilage
This type of cartilage
has numerous white
fibers. It is present in
the symphysis pubis,
and sternoclavicular
joint etc. Its color is
glistening white and
the appearance is
opaque.
16. Elastic cartilage
This type of cartilage has
numerous yellow elastic
fibers. It is present in the
ear pinna, external
auditory meatus,
Eustachian tubes, and
epiglottis etc. Its color is
yellowish and the
appearance is opaque.
17. (cont.)Components of Human Skeleton:
3. Joints:
Joints are important components of human
skeleton because they make the human skeleton
mobile. A joint occurs between “two or more
bones”, “bone and cartilage” and “cartilage and
cartilage”.
19. Divisions of Human Skeleton:
Axial Skeleton:
Axial skeleton forms
the axis of human
body. It consists of
Skull, vertebral column
and thoracic cage.
20. Axial Skeleton
• Skull: Skull is that part of human skeleton that
forms the bony framework of the head.
• Vertebral Column: It is a flexible column of
vertebrae, connecting the trunk of human
body to the skull and appendages.
• Rib Cage: It is a bony cage enclosing vital
human organs formed by the sternum and
ribs.
21. Divisions of Human Skeleton:
Appendicular
Skeleton:
It is the skeleton of
appendages of human
body. It consists of
Shoulder girdle,
Skeleton of upper limb,
Pelvic girdle and
Skeleton of lower limb.
22. Appendicular Skeleton
• Shoulder Girdle: It attaches the upper limb to
body trunk and is formed by two bones:
clavicle and scapula.
• Skeleton of Upper limb: The skeleton of each
upper limb consists of 30 bones. These bones
are: Humerus, Ulna, Radius, Carpals (8),
Metacarpals (5), Phalanges (14).
23. Appendicular Skeleton
• Pelvic Girdle: There are two pelvic girdles (one
for each lower limb) but unlike the pectoral
girdles, they are jointed with each other at
symphysis pubis. Each pelvic girdle is a single
bone in adults and is made up of three
components.
• Skeleton of Lower limb: The skeleton of each
lower limb consists of 30 bones. These bones are;
Femur, Tibia, Patella, Tarsals (7), Metatarsals (5),
Phalanges (14).
24. Functions of human skeleton:
1. STRENGTH, SUPPORT AND SHAPE: It gives
strength, support and shape to the body. Without a
hard and rigid skeletal system, human body cannot
stand upright, and it will become just a bag of soft
tissues without any proper shape
2. PROTECTION OF DELICATE ORGANS: In areas like
the rib cage and skull, the skeleton protects inner
soft but vital organs like heart and brain from
external shocks. Any damage to these organs can
prove fatal, therefore protective function of
skeleton is very important
25. 3. LEVERAGE FOR MOVEMENTS: Bones of the
human skeleton in all parts of body provide
attachment to the muscles. These muscles provide
motor power for producing movements of body
parts. In these movements the parts of skeleton
acts like levers of different types thus producing
movements according to the needs of the human
body.
4. PRODUCTION OF RED BLOOD CELLS: Bones like
the sternum, and heads of tibia have hemopoeitic
activity (blood cells production). These are the sites
of production of new blood cells.
