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Serhud [2]
3 years ago
14

What cells are affected by hiv virus?

Biology
1 answer:
Alenkinab [10]3 years ago
3 0

Answer:HIV finds the white blood cells, called CD4 cells. HIV gets inside the CD4 cell and makes copies of itself. Then, HIV kills the CD4 cell and the new HIV copies find other CD4 cells to get inside and start the cycle again. HIV kills immune system cells that help the body fight infections and diseases.

Explanation:

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How often does the human body grow a new stomach lining to protect it from the chemical mixture inside?
stellarik [79]

Every 3 days the stomach starts a new lining

5 0
3 years ago
A wide sloping deposit of sediment formed where a stream leaves a mountain range is called a(n)
White raven [17]

Answer: c. alluvial fan.

A wide sloping deposit of sediment formed where a stream leaves a mountain range is called an alluvial fan. An alluvial fan is the deposition of sediment on a landform like mountain. It forms as an open fan or cone of sediment. The sediments are left by natural drainage system like river on the landform.

There are two types of alluvial fans.

1. Debris dominated: These includes viscous mixture of water, mud, gravel along with woody debris. This transfer large boulders of landform soil.

2. Floodwater dominated: Water will spill in the alluvial fan in the form of thin sheets. This can transfer fine particles of landform soil.

7 0
4 years ago
A huge amount of water − 7 to 9 l − moves from the blood into the bowel every day, through osmosis and digestive secretions. sin
Alexus [3.1K]
The event order should be:

1. Ingesting food, the small bowel filled with food solutes and become hypertonic. It will attract water from the blood which is hypotonic
2. Food digested, some of it absorbed. The osmotic pressure inside bowel will be reduced.
3. All food is absorbed, the osmotic pressure reduced significantly makes it hypotonic. The blood attracts water as it is hypertonic. This will increase the blood volume
7 0
3 years ago
a species is a group of organisms capable of mating and producing offspring . this is another way of saying that a species is __
kow [346]
A species is a group of organisms capable of mating and producing offspring. This is another way of saying that a species is reproductively isolated.
6 0
3 years ago
4. Which of the following describes a long term effect of exercise on<br> breathing rate?
igor_vitrenko [27]

Answer:

Effects of exercise on breathing

During exercise there is an increase in physical activity and muscle cells respire more than they do when the body is at rest.

Woman jogging along a tree-lined path in a park.Exercise increases the rate and depth of breathing

The heart rate increases during exercise. The rate and depth of breathing increases - this makes sure that more oxygen is absorbed into the blood, and more carbon dioxide is removed from it.

The rate of breathing can be measured by counting the number of breaths in one minute. The depth of breathing can be measured using a spirometer (a device that measures the volume of air inhaled and exhaled).

To investigate the effects of exercise on breathing, record the rate of breathing for a few minutes when the person is at rest. After they do some exercise, record their rate of breathing every minute until it returns to the normal resting value.

Explanation:

7 0
3 years ago
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