The pulmonary circuit transports blood to the lungs. The blood is oxygenated there and then carried back to the heart. Gaseous exchange happens in the lungs:
Carbon dioxide diffuses from the blood into the air in the alveoli.
Hind forests and stag forests are so called because of the tendencies of red deer to form large, single-sex herds outside the autumn rutting time, and most forests hold either a resident stag herd or a hind herd for much of the year.
Producers synthesize their food through photosynthesis using energy from sunlight and carbon dioxide from the Air. Their respiration returns carbon dioxide to the atmosphere. Consumers use the food produced by producers for energy. Their respiration also returns carbon dioxide to the atmosphere.
There are 37.2 trillion cells in the human body
Answers: 1) swell; 2) decreases .
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<span>A cell that is hypotonic to its environment will begin to <u> swell </u><u /> as its solute concentration <u> decreases </u><u /> .
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