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Vsevolod [243]
3 years ago
12

Why do sperm cells contain so many mitochondria?

Biology
1 answer:
sp2606 [1]3 years ago
8 0
<span>a. Each mitochondria is needed to store a full copy of the male’s chromosomes</span>
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Explain how scientific study is always an ongoing process?
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3 years ago
The orbital cavities , nasal cavity, paranasal sinuses, and the oral cavity are all located in what region of the body
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These are all part of the head or skull. The cavities of the skull surround and protect the brain and sensory organs. There are five kinds of cavities of the skull which are:


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oral cavity - The oral, or buccal, cavity (commonly called the mouth) is a cavity of the head rather than a cavity of the skull because of its fleshy and muscular floor.


orbital cavity - supports and defends an eyeball and its linked muscle, vessels, and nerves.


<span>middle ear cavity - From outer to inner, three small bones-malleus, incus, and stapes are situated within the middle-ear cavities in the petrous part of the temporal bones.</span>

6 0
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Why do cells in the epidermis flatten out and die as they reach the surface of the skin?
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