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Anestetic [448]
4 years ago
10

What do you notice about the width of an artery wall versus the width of a vein wall? Why does this make sense given the functio

n of the vessels?
Biology
1 answer:
horrorfan [7]4 years ago
5 0

Answer:

Arteries- thickened wall, small lumen

Veins- Thin walled, large lumen

Explanation:

The two main blood vessels which transport the blood in the body are known as arteries and veins.

The arteries carry the blood away from the heart whereas the veins brings the blood from the organs and limbs to the heart.

Since the arteries have to carry the blood away from the heart so it has to face the high blood pressure of the blood pumped by the heart. For this, arteries posses thickened walls which allow absorbing the pressure and the arteries do not rupture.

The veins bring the blood from the body with low pressure and thus the wall of the vein is very thin and large lumen.

Thus, Arteries- thickened wall, small lumen and Veins- Thin-walled, large lumen are correct.

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If a battery produced 12.6 volts, what would the current flow be for a 6 Ohm resistor
Free_Kalibri [48]

Answer:

I = 2.1 A

Explanation:

This is physics, but I will answer here either way.

First, the battery produces a voltage of 12 V in a resistor with 6 ohm, and we want the current flow (I). We need to apply the following expression:

V = R * I   (1)

This is the Ohm's law. From here we can solve for I and:

I = V/R   (2)

Now, we just need to replace the data and solve for the current:

I = 12.6 / 6

<h2>I = 2.1 A</h2>

Hope this helps

3 0
3 years ago
The thoracic cavity contains the ________. It is found ________ to the vertebral cavity.
Natasha_Volkova [10]

Answer: The thoracic cavity contains the heart, lungs and many of the main vessels of the circulatory system. It is found anterior to the vertebral cavity.

Explanation:

The thoracic cavity is the second largest hollow space of the body and it is the space limited by the ribs, the vertebral column, and the sternum. It is the upper region of the body starting from the neck and ending where the diaphragm ends. So, it is separated from the abdominal cavity by the diaphragm. It contains 12 ribs, and 7 of them attach directly to the sternum, 3 attach to the sternum via cartilages and 2 do not attach to the sternum at all and are called floating ribs. The cavity contains several organs, such as the lungs, heart, great vessels and esophagus.

The abdominal cavity spaces around the organs are filled with the core muscles that attach to the posterior spine. Besides. the ribs vertically, horizontally and across the abdominal region.

The vertebral cavity is the posterior portion of the dorsal cavity, it contains the spinal cord within the vertebral column, the meninges and the fluid-filled spaces between them. It is formed by the vertebrae through which the spinal cord passes.

<u>The thoracic cavity is anterior to the vertebral cavity, because anterior describes the front or direction toward the front of the body</u>.

3 0
3 years ago
The immediate energy system (ATP-PC) relies on:
swat32

Answer:

c. the high-energy phosphates stored in muscle cells

Explanation:

Phosphocreatine (PC) or creatine phosphate is a compound rich in energy. It has energy stored in it which can be used to phosphorylate ADP into ATP. The phosphocreatine is stored in muscle cells when muscles are not working. The produced ATP serves as an energy source for muscle contraction. The creatine produced during ATP production is phosphorylated again into PC using ATP when muscles are resting.

4 0
3 years ago
You can adapt to a sunny environment bywearing sunglasses.jogging.listening to music.none of the above( i tried but im stuck i c
Doss [256]
<span>The best and most correct answer among the choices provided by the question is the first choice. One can adapt to the sunny environment by wearing sunglasses. I hope my answer has come to your help. God bless and have a nice day ahead!</span>
7 0
3 years ago
Read 2 more answers
Antibodies are made when animals detect a foreign antigen. All mammals carry albumin in their blood. How was a rabbit antibody a
belka [17]
<h2>Rabbit Blood</h2>

Explanation:

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3 0
3 years ago
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