Made up of the muscles that let you move.
This moves food through the digestive system. It is found in the digestive tract.
This is found only in your heart.
This is attached to your bones for movement. They often work in pairs.
biceps and triceps muscle
These are located in the arm.
These can make hundred of movements
tissue that connects muscle to bone
Muscle that bends part of your body.
Muscle that straigtens part of your body.
These are stronger and larger.
This is when people work against the resistance or weight of an object.
This is steady, moderately intense activity which helps to strengthen your heart.
This is an injury in which a muscle or tendon is overstretched or torn.
This is when people exercise too much and a tendon becomes inflamed.
drugs which strengthen muscles but are bad for your health.
this should be started slowly to avoid injury.
This is made up of your skin, hair and nails.
functions of skin
Protection, to keep water in the body, to feel via nerve endings, regulation of body's temperature, remove waste.
This makes a salty substance called sweat to help cool your body.
parts of skin
blood vessels, nerve fibers, hair follicles, oil glands, sweat glands
transport substances and help regulate body temperature.
carry messages to and from the brain.
These make hair. The only living cells of hair in in this place.
Release oil that keeps hair flexible and waterproofs the epidermis.
The outer layer of the skin
Middle and thickest layer of skin
protein substance found in skin and connective tissue
Part of nail embedded in the skin
caused by damage to the genetic material in skin cells.
This causes pimples and is caused when skin has too much oil and dead skin cells which clogs hair follicles.
How skin heals
A blood clot forms to stop the bleeding, a scab is formed, bacteria fighting cells work to combat disease.
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