Answer:
the form of a sperm cell helps it to travel apon ejaculation and impregnation of a female.
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The skeletal system protects the brain and other important organs
Answer:
Cell
Explanation:
In anatomy, the basic structural unit of the body is the cell. All living organisms have cells, which start as the zygote — the single cell at the beginning of life, after a spermatozoa fertilizes an oocyte. In humans, the body has more than 200 different cell types.
