Answer:
1) The Small Intestine. It absorbs most of the nurtients in our food. The circulatory system passes them on to other parts of the body to store or use. Special cells help absorbed nutrients cross the intestinal lining into the bloodstream.
2) The small instestine; although the small intestine is narrower than the large intestine, it is actually the largest section of the digestive system tube, that is measures about 22 feet (or seven meters) on average, or 3 1The /2 times the length of tthe body.
3) The small intestine, despites its name, is the largest part of the gastrointestinal tract. It works with other organs of the digestive system to further digest food after it leaves the stomach and absorbs nurtients.
Explanation:
One example would be that the sleep schedule of animals might be thrown off. It would be dark the whole day, so the crepuscular (dawn/dusk) animals might be a bit confused, as would the nocturnal (night) animals. Would they stay awake all "day" and all night? What about the diurnal (day) animals? Would they just not come out all day long?
Answer:
Bound complement components, especially bound C3b and its inactive fragments, are recognized by specific complement receptors on phagocytic cells
I believe it is (B) It is not used up
Hope this helps!
- Rainbow :3