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iren2701 [21]
2 years ago
9

Which statement explains blood pressure?

Biology
2 answers:
Kryger [21]2 years ago
8 0
Blood pressure is highest in the arteries near the heart

Blood pressure is determined both by the amount of blood your heart pumps and the amount of resistance to blood flow in your arteries. The more blood your heart pumps and the narrower your arteries, the higher your blood pressure. A blood pressure reading is given in millimeters of mercury (mm Hg). It has two numbers.
xxMikexx [17]2 years ago
3 0

Answer: Blood pressure is highest in the arteries near the heart.

Explanation: In the arteries, the hydrostatic pressure near the heart is very high while in the case of arterioles the rate of flow reduces (but pressure increases) as the openings of the arterioles become narrow. Thus these two tubules have thick muscular walls. While the veins and venules have lower pressure and thus their walls are also thin and less muscular.

<u><em>I guess this helped you!</em></u>

<u><em>Please mark me as the BRAINLIEST!!</em></u>

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You measure the pH of your backyard soil and find it is 7. You measure the pH of your friend's backyard soil and find it is 4. H
olchik [2.2K]

Answer:

1000 times.

Explanation:

Hello,

In this case, since the pH is defined by:

pH=-log([H^+])

If we want to compute the concentration of hydrogen we must write:

[H^+]=10^{-pH}

Thus, for both the backyard soils we compute:

[H^+]_{pH=7}=10^{-7}=1x10^{-7}M

[H^+]_{pH=4}=10^{-4}=1x10^{-4}M

It means that:

\frac{[H^+]_{pH=4}}{[H^+]_{pH=7}} =\frac{1x10^{-4}M}{1x10^{-7}M}\\ \\\frac{[H^+]_{pH=4}}{[H^+]_{pH=7}}=1000

It means that the concentration of hydrogen at a pH of 4 is 1000 times greater than the concentration of hydrogen at a pH of 7.

Regards.

4 0
3 years ago
Diagram about plant cells and animal cells to identify their part​
julsineya [31]

Answer:

Plant and animal cells are the same. Besides a few parts

Explanation:

Plants have cell walls and chloroplasts

Hope this helps!

4 0
3 years ago
A(n) ____________ is a preparation of one or more microbial antigens to induce protective immunity in potential hosts. listen to
Dmitry [639]

A vaccine is a preparation of one or more microbial antigens to induce protective immunity in potential hosts.

Vaccines are the anti-microbial agents administered to provide immunity against specific diseases. There can be a wide variety of vaccines, like: live attenuated vaccine, vaccine with killed or inactivated microbes, vaccine containing the sub-parts of the microbes, etc.

Immunity is the body's ability fight against a disease. The immunity is build when a body gets attacked by pathogen. Various immune cells like neutrophils, MHCs, dendritic cells, B and T cells, etc. are involved in building and strengthening the immunity of any person.

To know more about vaccines, here

brainly.com/question/6683555

#SPJ4

7 0
1 year ago
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grin007 [14]

Answer:

If people continue to kill baby deer then the population will start to decrease and if they stop killing them then the deer population will increase. If the deer population increase than that won't be a good thing for the environment because they will then be everywhere. Plus where there is prey there is predator so the predators of the deer will also increase in population.

7 0
2 years ago
Arrange the phases of mitosis
Vikentia [17]

Answer:

Alright, sure thing.

Explanation:

These phases are prophase, prometaphase, metaphase, anaphase, and telophase.

8 0
3 years ago
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