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Nonamiya [84]
3 years ago
13

What is circulatory role and funcation

Chemistry
1 answer:
Stella [2.4K]3 years ago
4 0

Answer:

Transport of gases and nutrients

Explanation:

The circulatory system includes all the vessels that transport blood around the body as well as the blood itself. Sometimes the heart and lungs are also included as part of the circulatory system.

The vessels of the circulatory system are involved in the transport of blood throughout the body.  Blood carries the necessary gases to the cells (oxygen) and waste products (CO2) away. It also carries important nutrients to the cells and transports chemical messengers in the form of hormones to their sites of action.

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AIDS is one disease caused by a virus infection. The virus attacks immune system cells known as T cells.
VLD [36.1K]

Answer:

yes,its true

Explanation:

I just want to say first off

the immune cell known as T cell also known as white blood cells

Since the first main attack from the bodies response against a virus is deploying T cells to attack

CD4 cells are the basic T cells and HIV virus which is AIDS will start to "Eat itself inside" Ofc not they will use protein spikes to form their way in

they start to create copies of themselves inside the T cell itself and creating a new protein called Env to form their ways in ofc

They are able to bypass CD4 cells is because its a basic cellular receptor for T cells making them really deadly

They now will start to attack other white cells and deploying more and more of their virus cells

7 0
3 years ago
What is a sign that a person may be abusing drugs?
lidiya [134]

Answer:

answer is a because drugs do so to the person.

6 0
3 years ago
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You find apiece of limestone on ahike. what substances are likely to have formed that rock?
enyata [817]

Limestone is mainly made up of calcium carbonate, CaCO3. When it is heated, it breaks down to form calcium oxide and carbon dioxide. Calcium oxide reacts with water to produce calcium hydroxide. But if u wanna know how it is formed? It's formed by erosion and weathering which is a type of 'Sedimentary Rock'. Erosion and weathering, carried rocks and end up at the sea or ocean. Which is the end way to go! At there, rocks combined by adding more and more just under the sea. The combination of rocks made it harden. First, it was just small little eroded particles end up at the sea. But at last, it became a very hard rock which isn't easy to break!

7 0
3 years ago
What is the main difference between ionic<br> compounds and molecular compounds?
Sophie [7]

Answer:

¨molecular compounds are formed by the sharing of electrons, and ionic compounds are formed by the transfer of electrons¨

Explanation:

3 0
3 years ago
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