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GREYUIT [131]
3 years ago
14

The basic structural unit of the body is the

Biology
2 answers:
VLD [36.1K]3 years ago
7 0
Cells.........they are the basic structural and functional unit of life
Darya [45]3 years ago
4 0

Answer:

Cell

Explanation:

Cell is the basic structural and functional unit of any body. According the the level of organism, these cells come together to form tissues, tissues combine to form organs, organs make organ systems and ultimately a functional body is formed. Without cells an organism would cease to exist. Cells are composed of cell membrane, cytoplasm , nucleus and other cell organelles which help them to coordinate the activities of the organism. According to the organism a cell type could vary. For example plant cells have cell wall while animal cells do not have it.

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CR endurance is determined by a. the amount of oxygen the body is able to utilize per minute of physical activity. b. the length
Amanda [17]

Answer:

The answer is A.

Explanation:

The CR endurance that is given in the question, or cardio respiratory endurance, can be described as the heart's, the muscles' and the lungs' ability to be able to work together effectively through extended periods of physical activity and it can be determined by measuring the amount of oxygen that the body uses in a minute during the said physical activity.

I hope this answer helps.

5 0
3 years ago
What is the human female reproductive system is adapted for? A. Production of zygotes in ovaries B. External fertilization of ga
victus00 [196]

Answer:

D. Transport of oxygen through a placenta to a fetus.

Explanation:

Zygotes are fertilized egg cell, zygotes aren't produced in the ovaries but ovums or egg cells are produced in the ovaries. So option A is false.

Fertilization is internal not external in human. Option B is wrong.

Production of milk happens in the mammary gland (the breast) not in the reproductive system. Option C is false.

Transport of oxygen through a placenta to a fetus. The placenta is a vascular organ which is implanted in the wall of the uterus (a part of the female reproductive system) and links to the foetus through the umbilical cord.

8 0
3 years ago
This cycle differs from all of the other cycles because it occurs:
meriva

Is there supposed to be an image?

4 0
2 years ago
Four children of a man and woman who are second cousins have too few teeth, which is an autosomal recessive condition called oli
adoni [48]

Answer:

B) a nonsense mutation; this is because a nonsense mutation results in the change of a regular amino acid codon into a stop codon, which ceases translation. This fits with the problem's description of the protein that causes the symptoms as too short, as translation is the process by which proteins/polypeptides are created. A missense mutation would not be the answer because it still codes for an amino acid, which would not shorten the protein. A duplication of the gene would probably just lengthen the protein or not affect its length at all.

6 0
3 years ago
Name the structures of the eye through which light passes in the process of sight
olga2289 [7]
After passing through the cornea, light travels through the pupil (the black dot in the middle of the eye). The iris—the circular<span>, colored area of the eye that surrounds the pupil—controls the amount of light that enters the eye.</span>
7 0
2 years ago
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