Digestive System
The breaking down of food in your mouth is an example of ______
a) chemical digestion
b) mechanical digestion
b) mechanical digestion
What is the function of the muscular system?
Movement
What structure in the skeletal system connects bone to bone?
ligament
The integumentary system consists of ______.
Hair, skin, and nails.
What are accessory organs?
Organs food does not pass through.
Cardiac, smooth and skeletal muscle.
The 4 functions of the skeletal system are
movement, protection, blood cell formation, storage
The outermost layer of your skin is _________.
your epidermis
Chyme is _____
a) a liquid blob of broken-down food in the stomach
b) projections that cover the inside of the small intestine
a) a liquid blob of broken-down food in the stomach
What are involuntary muscles?
Muscles that are not in your control.
The 2 parts of the skeletal system are
the axial and appendicular skeleton
What is sebum?
Your skin's natural oils.
Where is your appendix located?
Off the large intestine.
How many muscles are in your body?
600
The skeleton is made up of _____ bones.
206
The pigment that gives your skin, hair, and eyes their color.
Melanin
How long is the small intestine?
20 feet
Muscle cells can only ____, not extend, skeletal muscles must function in pairs.
contract
What is Periosteum?
Soft, thin substance that covers and protects the bone.
What is the arrector pili?
A muscle attached to your hair follicle, contracts to make your hair "stand on end".