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kirill [66]
3 years ago
5

Select all that apply.

Biology
1 answer:
Scorpion4ik [409]3 years ago
8 0

Answer;

a.) the most common kind of cell division

c.)same number of chromosomes in each daughter cell as in the parent cell.

Explanation;

-Mitosis is a type of cell division which takes place ins the body cells or the somatic body cells, where the parent cell divides to give two daughter cells that have the same number of chromosomes as the parent. Thus, if the parent cell will be diploid (2n) then the daughter cells will also be diploid (two sets of each chromosome).

-This type of cell division plays an important part in the development of embryos, and it is important for the growth and development of human bodies as well.

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Vasodilation of blood vessels supplying muscles in response to increased carbon dioxide during exercise is an example of
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The correct answer is active hyperemia.

Active hyperemia represents the increase in organ blood flow (hyperemia) that is associated with the increased metabolic activity of that organ. In this case, the increase in blood flow accompanies muscle contraction during the exercise. Muscle contraction stimulates the production of vasoactive (vasodilative) substances that dilate the vessels and thus, bring more oxygen to the muscles.

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15. Human bodies constantly receive and send
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Answer:

Human bodies constantly receive and send <u>important</u> information

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The heart is a cone-shaped muscular organ located within the ________ of the thorax. its apex rests on the ___________ and its s
Arte-miy333 [17]
<u>The heart is a cone-shaped muscular organ located within the mediastinum of the thorax.</u>

The mediastinum is the space lined with membranous tissue between the lungs. The mediastinum contains not only the heart but also the great vessels (pulmonary artery, aorta, pulmonary veins, and the superior and inferior vena cava), as well as parts of the esophagus and the trachea.

<span><u>Its apex rests on the </u><u>diaphragm</u><u> and its superior margin lies at the level of the </u><u>2nd</u><u> rib.</u>
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The apex of the heart is the conical area created by the confluence of the ventricles, but mainly by the left ventricle. It rests on the diaphragm. The superior margin of the heart, also known as the base, lies at the level of the second rib.

<span><u>Approximately two-thirds of the heart mass is seen to the left of the </u><u>midsternal border</u><span><u>.</u>
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This is because to the left of the midsternal border lies the left ventricle which comprises most of the heart mass as the left ventricle is the one responsible for pumping blood throughout the systemic circulation and significant pressure should be overcame; resulting to the physiologic hypertrophy of the left ventricle.

</span><span><u>The heart is enclosed in a serosal sac called the </u><u>pericardium</u><u>. The loosely fitting double outer layer consists of the outermost fibrous pericardium, lined by the parietal layer of the serous pericardium.</u></span>

The pericardium is one of three layers of the heart (other ones being the myocardium and the endocardium); and is the outer layer of the heart. The pericardium is composed of two tissues, the fibrous pericardium and the serous pericardium. The pericardium functions to lubricate the movement of the heart by the action of the pericardial fluid. 

<span><u>The heart has </u><u>four</u><u> chambers. R</u></span><span><u>elative to the roles of these chambers, the </u><u>atria </u><u>are the receiving chambers, </u></span><span><u>whereas the </u><u>ventricles </u><u>are the discharging chambers.</u>
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The four chambers of the heart are namely the right atrium, right ventricle, left atrium, and the left ventricle. Venous blood goes to the right atrium via the vena cavas then to the right ventricle via the tricuspid valve; then to the pulmonary circulation via the pulmonary artery where it will be oxygenated. From the pulmonary circulation, the left atrium will receive the oxygenated blood via the pulmonary veins then to the left ventricle via the mitral valve where it will be pumped to the systemic circulation via the aorta.
6 0
3 years ago
Escherichia coli is a prokaryotic bacterium. How will Escherichia coli reproduce?
Kitty [74]
It will reproduce through Binary Fission. The bacteria will replicate all of its DNA, then divides into two parts and gives each new organism a copy of the DNA
4 0
3 years ago
Read 2 more answers
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