Well lets see here, The definition of population is a particular section, group, or type of people or animals living in an area or country. So it would be D.<span>
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ATP
-Photosynthesis makes the glucose that is used in cellular respiration to make ATP. The glucose is then turned back into carbon dioxide, which is used in photosynthesis. -While water is broken down to form oxygen during photosynthesis, in cellular respiration oxygen is combined with hydrogen to form water.
You've answered it yourself: its called the crust.
Explanation:
As your HR increases during exercise, your muscles, heart, pulmonary system needs to deliver more O2 to those parts of the body, for proper function. without this your muscles will rely on stored fat for energy, which causes the muscle tissue to excrete lactic acid into the bloodstream. lactic acid is known to cause sepsis and also shock. sodium, potassium, and electrolytes are needed to retain fluids in the body more efficiently.
Because the target cells have the correct attachment for the hormone cells. For example, when you have a remote control you place the battery in the correct position to operate. Same way with hormones, they're wired to work with a certain type of cell because of how they work.
