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Alik [6]
3 years ago
14

Which part of the kidney serves as a passageway for nerves and vessels to enter and leave?

Biology
1 answer:
Reil [10]3 years ago
3 0
The hilum serves as the passageway for nerves and vessels
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Refer to Figure 12-2. Which of the following is the series of amino acids encoded by
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Answer: D

Explanation:

Okay so look at the diagram. Start from the middle and work your way out.

AUG: I find A in the middle (the first four) and then go to the part of the diagram that has U right under the last letter you had, so A. And do the same for U, and you should get methionine.

Repeat this process for the other two.

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Feedback always occurs when
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Answer:

the output of a system come s back to influence the subsequent functioning of that system.

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For a normal pregnancy within what structure must the sperm and egg come together for fertilizaiton?
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Answer:

In case of normal prgnancy, Sperm and egg come together for fertilization in Fallopian tubules. After fetrilization the embryo will be implanted in the uterus

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3 years ago
During inhalation, which changes first in the throacic caviaty, the pressure or the volume? Explain.
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Answer:

The correct answer to the question: During inhalation, which changes first in the thoracic cavity, the pressure or the volume, is, the volume.

Explanation:

The process of breathing, that is the cylces of inhalation and inspiration, are completely dependent on pressure gradients both on the atmosphere and inside the body, specifically the lungs and thoracic cavity. Before the breathing is initiated, both the atmospheric and alveolar pressures (alveoli are where the exchange of oxygen and carbon dioxide will take place), is equal. However, during the initiation of inspiration, the costal muscles and the diaphragm descend and open up the chest cavity, pulling with them the lungs. This causes an increase in volume capacity and a decrease of pressure within the alveoli. Since gases like oxygen tend to move from higher to lower pressure gradients, as the volume of the lungs increases, and pressure decreases, oxygen will flow from the atmosphere into the lungs. During expiration, as the lungs return to their normal state, volume diminishes, pressure increase, and the gases are thus expelled to normalize pressures again.

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