Travel thru the other cells
Answer:
D) Heterotrophs can make their own food
Answer:
try to solve it on a paper
Explanation:
The circulatory and respiratory systems work together to circulate blood and oxygen throughout the body. Air moves in and out of the lungs through the trachea, bronchi, and bronchioles. Blood moves in and out of the lungs through the pulmonary arteries and veins that connect to the heart.
