It's C.
<span>Restriction is defined as </span>partially closing an orifice<span> or the lumen of a tubular body part. </span>
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.
There is a range of options for pain relief in labour including non-medical techniques ... Knowing what to expect during the various stages of labour can help reduce anxiety.
Answer:
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Explanation:
