The superior vena cava (SVC) is the superior of the two venae cavae, the great venous trunks that return deoxygenated blood from the systemic circulation to the right atrium of the heart. It is a large-diameter (24 mm), yet short, vein that receives venous return from the upper half of the body, above the diaphragm.
Answer: An enzyme is a biological catalyst that speeds chemical processes. A substrate is the substance that reacts in contact with an enzyme. Enzymes are specific when reacting with a substrate
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Answer: In a predator prey relationship, the predator kills and eats the prey. In a parasite/ host relationship, the parisite is feeding off the host, without killing it. If the host dies, the parasite will as well.
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I hope that makes sense XD good luck
Clay boeviw. We nw it ewo
Venus flytrap<span> - </span>Aldrovanda vesiculosa<span> - </span>Pitcher plant<span> - </span><span>Drosera capensis </span>
