muscular/skeletal
respiratory
digestive
circulatory
nervous
100

protects the brain

skull

100

this system controls breathing

respiratory

100

the digestive system  does what

breaks down food

100

the most important organ of your circulatory system

heart

100

the control system for the human body

nervous system

200

rib cage protects

heart and lungs

200

air we breathe in 

oxygen

200

where are nutrients absorbed into  the bloodstream

small intestine

200

function of the circulatory system

pumps blood containing oxygen and nutrients throughout the body.

200

parts of the nervous system

spinal cord, brain, nerves

300

there are ___ types of muscles in the body

3

300

air we breathe out

carbon dioxide

300

is digestion a voluntary process?

No

300

carry blood back to the heart

veins
300

TRUE or FALSE

the spinal cord is a part of the central nervous system

true

400

parts of the skeletal system

spine, skull, ribs

400

parts of the respiratory system

nose, windpipe, lungs,

400

The acid in the stomach is hydrochloric acid

true or false

true

400

carry blood away from the heart

arteries

400

the world's greatest calculator

the human brain

500

allows you to move

muscular system

500

another name  for the windpipe

trachea

500

parts of the digestive system

mouth, stomach, small and large intestine,

500

parts of the circulatory system

heart, blood vessels

500

the name given to nerve cells

neurons