The muscular system consists of three types of muscles - skeletal, smooth, and cardiac. Skeletal muscles are voluntary and attach to bones to enable movement. Smooth muscles line organs and blood vessels to regulate movement within the body. Cardiac muscle is only found in the heart to pump blood throughout the body. Muscles contract and relax to perform functions like movement, stability, protection, and temperature regulation. A healthy diet and exercise are important to maintain strong, healthy muscles. The muscular system also helps maintain homeostasis by regulating temperature and transporting oxygen and waste throughout the body.
Muscles is a contractile tissue which brings about movement.
Muscle cell responsible for our movement both visible and invisible, example walking, talking, bowel movement ,urination, breathing, heartbeats, the dilation and constriction of the pupils of our eyes and many other.
When we are still sitting or standing muscle cells keep us erect.
CONT...Muscles can be regarded as motors of the body.Muscles comprises about 40% to 50% (approximate) of body weight.There are approximate 650 muscles in body.Alternating contraction and relaxation of cells
Muscles is a contractile tissue which brings about movement.
Muscle cell responsible for our movement both visible and invisible, example walking, talking, bowel movement ,urination, breathing, heartbeats, the dilation and constriction of the pupils of our eyes and many other.
When we are still sitting or standing muscle cells keep us erect.
CONT...Muscles can be regarded as motors of the body.Muscles comprises about 40% to 50% (approximate) of body weight.There are approximate 650 muscles in body.Alternating contraction and relaxation of cells
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.
The musculoskeletal system is made up of bones, cartilage, ligaments, tendons and muscles, which form a framework for the body. Tendons, ligaments and fibrous tissue bind the structures together to create stability, with ligaments connecting bone to bone, and tendons connecting muscle to bone.
This is about the general physiology of sense organs for medical and paramedical professional beginners who choose pharmacy, nursing and physiotherapy to study.
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.
The musculoskeletal system is made up of bones, cartilage, ligaments, tendons and muscles, which form a framework for the body. Tendons, ligaments and fibrous tissue bind the structures together to create stability, with ligaments connecting bone to bone, and tendons connecting muscle to bone.
This is about the general physiology of sense organs for medical and paramedical professional beginners who choose pharmacy, nursing and physiotherapy to study.
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 :)
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2. Muscular System
•A muscle is made of strong tissue that can
contract in an orderly way.
•Your muscular system is
made of different types of
muscles and has several
functions.
3. Muscular System
•All muscle tissues are made of cells that contract.
•When the cells of a muscle contract, the muscle
tissues become shorter.
•The muscle tissues
return to their
original length when
the cells relax.
4. Functions
•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
6. Functions
•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
8. Functions
•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
9. Functions
•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
10. Functions
•This is important because a human’s body
temperature must stay around 37°C in order for
the body to function properly.
•Muscles also change chemical energy to thermal
energy during exercise. This is why you feel
warm after physical activity.
Temperature Regulation
11. Types of Muscles
•Your body has three different types of muscles:
skeletal smooth cardiac
12. Types of Muscles
skeletal smooth cardiac
•Each type of muscle is specialized for a different
function.
13. Types of Muscles
skeletal
•Muscle that attaches to bones is skeletal muscle.
•Skeletal muscles are also called voluntary muscles.
•Voluntary muscles are muscles that you can
consciously control.
14. Types of Muscles
skeletal
•For example, you can control whether or not you lift
your leg. The contractions of skeletal muscles can
be quick and powerful, such as when you run.
However, contracting these muscles for a long time
can tire them or make them cramp.
15. Types of Muscles
skeletal
•Skeletal muscles work by pulling on bones.
•Muscles cannot push on bones. Instead, muscles
work in pairs and move the body.
17. Types of Muscles
skeletal
•Your skeletal muscles
can change throughout
your lifetime.
•If you exercise, your
muscle cells get larger.
Then, your entire
muscle becomes larger
and stronger.
18. Types of Muscles
skeletal
•Your skeletal muscles
can change throughout
your lifetime.
•If you exercise, your
muscle cells get larger.
Then, your entire
muscle becomes larger
and stronger.
19. Types of Muscles
cardiac
•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 muscle you cannot consciously control.
20. Types of Muscles
cardiac
•As cardiac muscles contract and relax, they
pump blood through your heart and through
vessels throughout your body.
•Cardiac muscle cells have branches with discs at
their ends. These discs send signals to other
cardiac muscle cells.
•The signals cause all the cardiac muscle cells to
contract at almost the same time.
22. Types of Muscles
smooth
•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.
25. Healthy Muscles
•Your muscles need a healthful diet.
•All of your muscles use energy when they
contract. This energy comes from the food you
eat.
•Eating a diet full of nutrients such as protein,
fiber, and potassium can help keep muscles
strong.
26. Healthy Muscles
•Exercise also helps keep your muscles healthy.
•Muscle cells get smaller and weaker without
exercise. Weak muscles can increase the risk of
heart disease.
•Bone injuries can happen more
often when muscles are not healthy.
•Joints might not be as stable when
muscles are small and weak.
27. The Muscular System &
Homeostasis
•There are many ways the muscular system helps
your body maintain homeostasis.
•Your body temperature must stay around 37°C to
function well. When your muscles contract, they
convert chemical energy to thermal energy. The
thermal energy keeps your body warm.
28. The Muscular System &
Homeostasis
•When you exercise, your cells use more oxygen and
release more waste, such as carbon dioxide.
•The cardiac muscles in your heart help maintain
homeostasis by contracting more often.
•When your heart contracts faster, it pumps more
blood and more oxygen is carried to the cells.