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2 years ago

Which statement explains blood pressure?

2 answers:

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.

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Help weed this question pls

erik [133]

Answer:

.92 A = Is

Explanation:

Is = $\frac{Vp *Ip }{Vs}$

We're solving for Is, so plug in all the other given numbers.

Vp = 230 V

Ip = .020 A

Vs = 5.0 V

Is = $\frac{230 * .020}{5.0}$

= .92 A

4 0

2 years ago

The fossil record indicates that the earliest hominids most likely originated on which continent?

Brums [2.3K]

The fossil record indicates that the earliest hominids most likely originated in "Africa," since this is the location from which humans eventually migrated to other locations.

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3 years ago

Pituitary is to brain as thymus is to

Elenna [48]

Answer:

Explanation:

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2 years ago

Read 2 more answers

Which of these describes passive immunity? A.It occurs on the binding sites of antibodies. B.It is immunity that occurs after yo

DENIUS [597]

Answer:

Explanation:

Becuase fom a vaccine you are recieving antibodies by another animal or human donor.

D is unlinkely since it describes how the mother is nursing the baby, so nothing directly mentioning of the baby recieving any antibodies. The other options also talk about how the body creates its own antibodies, which isn't passive immunity.

3 0

2 years ago

Which of the following terms represents a positive nitrogen balance, in which the body produces more protein than it breaks down

kirill115 [55]

Answer:

Anabolism

Explanation:

Anabolism is a type of biochemical reaction that makes up metabolism, the other one is catabolism. Anabolism builds complex molecules from simpler ones, while catabolism breaks them down.

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3 years ago