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allsm [11]
3 years ago
10

Which functional area of the brain is responsible for keeping the cortex alert and conscious and enhancing its excitability?

Biology
1 answer:
LenKa [72]3 years ago
4 0

Answer:

The correct answer is b. reticular activating system.

Explanation:

The reticular activating system is located before the hypothalamus and mainly controls the activation of the awakening system and the day/night oscillations. Therefore, it's responsible for the consciousness states when sleeping.

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Which of the following is a common treatment for type III hypersensitivity reactions?
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Answer:

Anti-inflammatory steroid treatments

Explanation:

The exaggerated or hyper active response of the immune system causes hyper sensitive reactions in the body. These immune reactions are generally uncomfortable and harmful for the body.

Type III hypersensitivity reaction mainly occur due to the neutrophils, IgG and complement. This hyper sensitivity reaction can be treated by anti-inflammatory steroid treatments as the neutrophils are the main mediators of this reaction.

Thus, the correct answer is option (1).

8 0
3 years ago
his nutrient is cycled between living things and the soil. Plants absorb this nutrient from the soil and turn it into organic co
djverab [1.8K]

The nutrient is phosphorus

<h3>The phosphorus cycle</h3>

Phosphorus cycles between living components of the earth (biosphere) and the soil (geosphere).

The element's reservoir is mainly the sediments of the ocean and rocks. Phosphorus gets into the soil by weathering of rocks.

Plants are able to pick the element up from the soil and animals are able to get their phosphorus by consuming plants.

When plants and animal die, their body decomposes and the phosphorus in them enters the soil.

Thus, the cycle being referred to in the illustration is the phosphorus cycle.

More on phosphorus cycle can be found here: brainly.com/question/15020567

#SPJ1

3 0
2 years ago
ammals that live in the Arctic Ocean have a large amount of blubber, which is a fatty tissue just beneath the skin. Which statem
frosja888 [35]
The arctic environment is deathly cold, hence the thick blubber on animals so they can handle freezing temperatures
4 0
3 years ago
Where are some places where carbon is found?
s2008m [1.1K]

Answer:

rocks and sediments, while the rest is located in the ocean, atmosphere, and in living organisms.

Explanation:

carbo is found in these places for example:

6 0
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This matter has a definite shape and volume with particles closely packed together with very little movement. It is a
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