protects the brain
skull
this system controls breathing
respiratory
the digestive system does what
breaks down food
the most important organ of your circulatory system
heart
the control system for the human body
nervous system
rib cage protects
heart and lungs
air we breathe in
oxygen
where are nutrients absorbed into the bloodstream
small intestine
function of the circulatory system
pumps blood containing oxygen and nutrients throughout the body.
parts of the nervous system
spinal cord, brain, nerves
there are ___ types of muscles in the body
3
air we breathe out
carbon dioxide
is digestion a voluntary process?
No
carry blood back to the heart
TRUE or FALSE
the spinal cord is a part of the central nervous system
true
parts of the skeletal system
spine, skull, ribs
parts of the respiratory system
nose, windpipe, lungs,
The acid in the stomach is hydrochloric acid
true or false
true
carry blood away from the heart
arteries
the world's greatest calculator
the human brain
allows you to move
muscular system
another name for the windpipe
trachea
parts of the digestive system
mouth, stomach, small and large intestine,
parts of the circulatory system
heart, blood vessels
the name given to nerve cells
neurons