Answer:
The pharynx, commonly called the throat, is a muscular, funnel-shaped passageway inside the body. It connects the mouth and nose to the esophagus (leading to the stomach) and larynx (leading to the trachea and then lungs).
Explanation:
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The best way to describe a human sperm cell is a tad pole (Baby frog). Like the sperm cell the tad pole has a head, body and a tail. Though tad poles are finished products, the sperm cell needs to combine with the egg cell for it to be fertilized.
The answer to your question is B, Myosin and actin do not fully detach, so the muscle cannot relax.
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The answer for the picture put up is D, not C.
D is the correct answer.
