2. • It comprises the muscles. Muscles are tough and elastic tissues
• It gives shape and form of the body.
• It also enables the body to move.
• Maintain the posture.
• Make the joints stay where they are to function correctly.
• Also maintains the normal temperature of the body.
• There are more than 600 muscles in the body with different names
and function.
3. Different Muscles and their Function
– muscles in
the forehead. It enables to
raise the eyebrows and
wrinkle your forehead.
–
muscles that surrounds
the eye. It enables to close
and open your eyes, blink,
and wink.
– muscles
that surrounds the mouth. It
enables to move the mouth,
whistle, chew, and smile.
–
muscles surrounds the neck
It enables to move the
mouth, whistle, chew, and
smile.
5. Different Muscles and their Function
– two-headed
muscles in the front of
upper arm. It enables to
move the forearm towards
the shoulder.
– large triangular
muscles in the shoulder. It
enables us to swing and
rotate the arms. A good
site for injection.
– muscles
that cover the chest.
During puberty, a boy’s
pectoralis muscle start to
grow bigger.
–
protects and allows to
move your waist. It also
allows movement in the
belly-region of the body.
7. Different Muscles and their Function
– largest muscles found
in the hips and buttocks. It works
when we jump or climb stairs.
They keep the hips steady. Like
deltoid good injection sites.
– muscles in
the thigh. It allows to flex
the leg and bend the
knees.
8. How muscles work?
• Muscles work in pairs.
• One muscle contracts, the other relaxes.
• Example:
As we move our elbow, triceps and biceps work in pair. The biceps
contracts, the triceps (muscle at the back of the upper arm) relaxes.
9.
10. VOLUNTARY AND INVOUNTARY MUSCLES
– muscles that can be controlled. These are muscles
covering the skeleton/bones. It helps to perform movements like
running, dancing, and jumping.
– cannot be controlled. They move on their own.
They are found in our heart and other internal organs. It perform
involuntary movements, including those that proceed while we are
asleep, like digesting food, pumping blood, and breathing,
12. • Made up the walls of the heart.
• The muscles are of striped or striated muscles.
• They contract involuntarily and regularly to help the heart pump
blood throughout the body.
13. • Found in the walls of hollow internal organs, like blood vessels,
intestines, and glands.
• The muscles are non-striated and spindle in shape, or wide in the
middle and narrow at each end.
• It performs involuntary activities and aid in the digestion of food, and
exchange of gases in the lungs.
14. • Muscles attached to the bone.
• The muscles are made up of many cylindrical fibers with a striated
appearance.
• It performs voluntary movements, such as running, dancing, jumping, etc.
• Example: the triceps and biceps
