Answer:
alveoli
Explanation:
because carbon dioxide moves from the blood in the capillaries to the air in the alveoli
Answer:
true
Explanation:
Physical activity is defined as any bodily movement produced by skeletal muscles that requires energy expenditure. Physical inactivity (lack of physical activity) has been identified as the fourth leading risk factor for global mortality (6% of deaths globally).
Hello! please mark me brainliest if i’m correct
Metabolism is the process by which a cell converts nutrients into energy or materials. The conversion of nutrients into energy is called catabolism. For example, glucose is the cell's main source of energy.
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