Answer:
air is drawn into the lungs
lungs expand
the muscles between the ribs contract to move the ribs up and down
air pressure in the chest cavity decreases
the diaphragm contracts and flattens
Answer:
Poorly; his digestive system is not breaking down starch molecules into glucose.
Explanation:
His starch molecules are high while his glucose is low which means that his starch molecules are not breaking down into glucose.
Answer:
B. presence of oxygen in the atmosphere
Explanation:
I took the same test and got it right
False, each sex cell has one allele so when it combines with the opposing sex cell (depending on the gender) it fills in the gap.
