Skeletal system
Divisions of skeletal system,
types of bone,
salient features and functions
of bones of axial and appendicular skeletal system Organization of skeletal muscle,
physiology of muscle contraction,
neuromuscular junction.
The muscular system is a complex network of tissues and organs responsible for movement, stability, and heat generation in the human body. Comprising more than 600 individual muscles, it enables various functions, including locomotion, posture maintenance, breathing, and circulation assistance. Muscles are composed of muscle fibers, which are elongated cells capable of contracting and relaxing to generate force. Skeletal muscles, attached to bones via tendons, facilitate voluntary movements, such as walking and lifting objects, under conscious control. Smooth muscles, found in organs like the digestive tract and blood vessels, perform involuntary functions like peristalsis and regulating blood flow. Cardiac muscle, exclusively present in the heart, sustains its rhythmic contractions to pump blood throughout the body. The muscular system works in coordination with the skeletal, nervous, and circulatory systems to ensure efficient movement and overall bodily function. Regular exercise and proper nutrition are essential for maintaining muscular health and strength throughout life.
Skeletal system
Divisions of skeletal system,
types of bone,
salient features and functions
of bones of axial and appendicular skeletal system Organization of skeletal muscle,
physiology of muscle contraction,
neuromuscular junction.
The muscular system is a complex network of tissues and organs responsible for movement, stability, and heat generation in the human body. Comprising more than 600 individual muscles, it enables various functions, including locomotion, posture maintenance, breathing, and circulation assistance. Muscles are composed of muscle fibers, which are elongated cells capable of contracting and relaxing to generate force. Skeletal muscles, attached to bones via tendons, facilitate voluntary movements, such as walking and lifting objects, under conscious control. Smooth muscles, found in organs like the digestive tract and blood vessels, perform involuntary functions like peristalsis and regulating blood flow. Cardiac muscle, exclusively present in the heart, sustains its rhythmic contractions to pump blood throughout the body. The muscular system works in coordination with the skeletal, nervous, and circulatory systems to ensure efficient movement and overall bodily function. Regular exercise and proper nutrition are essential for maintaining muscular health and strength throughout life.
It's fun to learn MUSCULAR SYSTEM...
This is primarily a synthesis of the topic including the different types of Muscular System, their movement, functions, sample practical exercises, categories on how muscles got its names, examples of diseases and its causes and effects, and a fun trivia to motivate the class...
Enjoy! God bless you all :)
Muscle is a soft tissue found in most animals. Muscle cells contain protein filaments of actin and myosin that slide past one another, producing a contraction that changes both the length and the shape of the cell. Muscles function to produce force and motion
There are three types of muscle, skeletal or striated, cardiac, and smooth. Muscle action can be classified as being either voluntary or involuntary. Cardiac and smooth muscles contract without conscious thought and are termed involuntary, whereas the skeletal muscles contract upon command.
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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.
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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.
Ethnobotany and Ethnopharmacology:
Ethnobotany in herbal drug evaluation,
Impact of Ethnobotany in traditional medicine,
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2. The muscular system is
responsible for the movement of
the human body.
DEFINITION
3. Body movement (Locomotion)
Maintenance of posture
Respiration
Communication (Verbal and Facial)
Constriction of organs and vessels
Heart beat
Production of body heat
(Thermogenesis)
INTRO. TO MUSCULAR SYSTEM
4. •Many of your muscles help you move.
Most of these muscles attach to bones.
These muscles make your skeleton move.
•When muscles contract, they move bones.
This movement can be fast, such as when
you run. The movement can also be slow,
such as when you stretch.
MOVEMENT
5. •Muscles that are attached to your bones support
your body and help you keep your balance.
•Tendons attach muscles to bones.
•Tendons work with muscles and keep your joints
in place when your body moves.
•Tendons also help hold your body in a correct
posture, or shape.
STABILITY
6.
7. •Muscles protect your body. They
cover most of your skeleton.
•Muscles also cover most of the
organs inside your body.
•Muscles are like a layer of
padding. They surround your
abdomen, chest, and back, and
protect your internal organs.
PROTECTION
8. •Your muscular system helps your body keep your
internal temperature within a certain range.
•Have you ever felt cold and then started shivering?
•Shivering is muscles rapidly contracting. This
changes chemical energy to
thermal energy. The released
thermal energy helps
maintain your
body’s temperature.
TEMPERATURE REGULATION
9. Muscular system consists of three muscle types:
cardiac,
smooth, and
skeletal
INTRO. TO MUSCULAR SYSTEM
10.
11. •Muscle that attaches to
bones is skeletal muscle.
•Skeletal muscles are also
called voluntary muscles.
•Voluntary muscles are
muscles that you can
consciously control.
SKELETAL MUSCLES
12. Your skeletal muscles can change throughout
your lifetime.
•If you exercise, your muscle cells get larger.
Then, your entire muscle becomes larger and
stronger.
SKELETAL MUSCLES
13. – Attached to bones
– Makes up 40% of body weight
– Responsible for locomotion, facial expressions,
posture, respiratory movements,
other types of body movement
– Voluntary in action
SKELETAL MUSCLES
14. Your heart is made of cardiac
muscles, which are found only in the
heart.
A cardiac muscle is a type of
involuntary muscle, which is a muscle
you cannot consciously control.
As cardiac muscles contract and relax,
they pump blood through your heart
and through vessels throughout your
body.
CARDIAC MUSCLES
15. – Heart: major source of
movement of blood
– Auto rhythmic
– Controlled
involuntarily by nervous
systems
CARDIAC MUSCLES
16. Smooth muscles line your blood vessels and many of
your organs.
•Smooth muscles are involuntary muscles named for
their smooth appearance.
•Contraction of smooth muscles helps move material
through your body, such as food in your stomach.
•Smooth muscles also control the movement of blood
through your vessels.
SMOOTH MUSCLES
17.
18. – In the walls of hollow organs,
blood vessels, eye, skin
– Some functions: propel urine,
mix food in digestive tract,
dilating/constricting pupils,
regulating blood flow
– In some locations, auto rhythmic
– Controlled involuntarily by
nervous systems
SMOOTH MUSCLES