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Rashid [163]
4 years ago
7

Muscular arteries

Biology
1 answer:
nika2105 [10]4 years ago
7 0

Answer:

i think A??

Explanation:

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How do the walls of the atria compare with the walls of the ventricles and why are they different
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Answer:

Explanation:

The width of the muscular wall (myocardium) in the ventricles is greater than the width of the atria due to the force exerted by the heart to initiate major circulation (left ventricle) and minor or pulmonary circulation (right ventricle).

This is because in the human circulatory system, the major / systematic circulation that sends oxygen-rich blood (O2) and nutrients to the organs, starts from the left ventricle and ends in the right atrium, where blood is collected with the debris from cellular respiration. Then it passes through the tricuspid valve to the right ventricle and the minor / pulmonary circulation begins at the moment that the ventricle contracts strongly and expels the blood into the lungs, where the gas exchange in the pulmonary alveoli will occur again oxygenating the blood and being collected by the left atrium that connects to the left ventricle through the bicuspid or mitral valve and the process of major circulation begins again.

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4 years ago
Use the diagram below to answer questions 3 and 4
Tema [17]

Answer:

3. Size could

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size can affect because the bigger birds can fight the smaller birds off when they are eating the same product. Even with same beaks bigger birds will have an advantage.

6 0
3 years ago
Why do bacteria evolve so much faster than multicellular eukaryotes?
Talja [164]

Because bacteria are one of the smallest organisms as they are prokaryotes and are unicellular organisms with simple structure don’t take long to multiply because not many sub cellular structures are needed to be made (or divided through mitosis)

5 0
4 years ago
In flowering plants, plasmodesmata are narrow channels through cell walls that connect the cytoplasms of adjacent cells. An expl
Naddika [18.5K]

Answer:

Option-D

Explanation:

Plasmodesmata are the plasma membrane lined pores present in the cells of the plants. Inside these pores runs a closed tubelike structure which is an extension of the endoplasmic reticulum.

The plasmodesmata allows cell to cell communication which involves symplast mode of transport that is through its cytoplasm.

The small water soluble molecules like amino acid and sugars can easily pass through these plasmodesmata via diffusion. The large molecules can be transported through these plamodesmata through selective diffusion.

Thus, Option-D is the correct answer.

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1. Peer review allows others in the field to assess a scientist's investigations and results.
podryga [215]

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False.

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4 0
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