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Len [333]
2 years ago
8

How many major body regions does a crustacean have.

Biology
1 answer:
ki77a [65]2 years ago
8 0

Answer:

this is the answer

Read it

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When these muscles contract (during cold or fright), the slanted hair follicle is pulled upright, dimpling the skin surface with
inn [45]

The muscles that contract (during cold or fright), the slanted hair follicle is pulled upright, dimpling the skin surface with goosebumps are called arrector pili muscle.

The arrector pili muscle are tiny muscle that attaches to the base of the hair follicle at one end  and to the dermal tissue on the other end. When the body feels cold or fright the body generate heat and the arrector pili muscle contract all at once, that causes goosebumps on the skin.

The arrector pili muscle acts as the thermoregulator. Straight stand hair increases air trapping, so that the heat loss from the body decreases. The arrector pili muscle are mediated by the sympathetic nervous system.

To learn more about sympathetic nervous system here

brainly.com/question/12958051

#SPJ4

3 0
1 year ago
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Which of these is a process during which the hydrosphere interacts with the geosphere?
timofeeve [1]
<span>The correct answer is "Absorption of rainfall by soil." The hyrdosphere refers to all water on the earth's surface. The geosphere, in this context, refers to the solid parts of the earth (rocks, sand, etc.) Since rain is part of the hydrosphere and soil is part of the geosphere, rain soaking into the soil would be an interaction between the two. The other choices deal with changes in the hyrdrosphere, but there is no interaction with the geosphere.</span>
7 0
3 years ago
Why would bacteria that are normally kept under control, become a possible problem after having coronavirus?
Fittoniya [83]

Since due to having the coronavirus, the immune system is already tired of fighting off such a tough disease. Since it's so weak, one small bacteria can make your body react to it in ways you wouldn't think it may, because the immune system isn't working much.

3 0
3 years ago
What is the function of bacteriophage​
marusya05 [52]

Answer:

A bacteriophage attaches itself to a susceptible bacterium and infects the host cell. Following infection, the bacteriophage hijacks the bacterium's cellular machinery to prevent it from producing bacterial components and instead forces the cell to produce viral components.

Explanation:

4 0
3 years ago
What single-celled pathogens are more complex than bacteria and cause diseases like malaria??
SCORPION-xisa [38]
I believe your answer is Protozoans
5 0
3 years ago
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