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stepladder [879]
2 years ago
5

Some bacteria are helpful because they help us breathe by producing _________ .

Biology
2 answers:
aleksley [76]2 years ago
8 0
Oxygen, some bacteria are helpful because they help us breathe by producing oxygen.
mariarad [96]2 years ago
7 0

Answer:

For producing oxygen.

Explanation:

An example of this is the marine bacteria in Prochlorococcus and Synechococcus, which are part of the phytoplankton. These bacteria are capable of photosynthesis in the sea. One out of every two oxygen molecules produced by photosynthetic processes are produced by these two bacteria.

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Does decaying organic matter and animal waste add CO2 to the atmosphere ?
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6 0
3 years ago
Why does venous return from the distal arm travels in the superficial veins and those veins tend to bulge superficially in a per
olganol [36]

Blood distribution is adjusted by a short-term neural control mechanism to meet specific demands. During working out, the hypothalamus signals for reduced vasomotor stimulation of the skin vessels. Blood moves into the capillary veins, and heat radiates from the skin to reduce body temperature.

<h3>Veins</h3>

All over your body, veins are blood vessels that collect blood with low oxygen content and send it back to your heart. Your circulatory system includes your veins. They cooperate with your heart, other blood vessels, and other organs to maintain blood flow. Most of your body's blood is stored in veins. Your veins actually contain around 75% of your blood. Veins have two basic functions. One function is to gather blood that is low in oxygen throughout your body and transport it back to your heart. The other function is to transport blood that is rich in oxygen from your lungs to your heart. Only during this process do veins transport oxygen-rich blood.

Why does venous return from the distal arm travels in the superficial veins and those veins tend to bulge superficially in a person who is working out?

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3 0
1 year ago
Unattached microbes are moved from the lungs to the epiglottis by the _______ effect.
lisov135 [29]

Answer:

The unattached microbes are moved from lungs to epiglottis by the <u>mucociliary escalator effect.</u>

Explanation:

Mucociliary escalator, also known as mucociliary clearance, is one of the major defense mechanisms that protects the lungs. It describes the self-cleaning mechanism of the bronchi which are present in the lungs. The effectiveness of this mechanism depends on the properties of the produced mucus and on the quality and number of the cilia present in the lining of the airway.

Therefore, the unattached microbes are moved from lungs to epiglottis by the <u>mucociliary escalator effect.</u>

4 0
2 years ago
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