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lesantik [10]
3 years ago
11

Please need help with this biology question (photo)

Biology
1 answer:
Morgarella [4.7K]3 years ago
6 0

Answer:

Energy flows through the organisms from bottom to top and increases at each level.

Explanation:

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The respiratory system branches like the circulatory. Oxygen and carbon dioxide diffuse between the end of these branches and th
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Answer:

1. Ends of the respiratory branches are called alveoli.

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Explanation:

1. The trachea divides into left and right primary bronchi which in turn divide multiple times upon entering the lungs and make the bronchial tree.

The final branches of the bronchial tree are the terminal bronchioles that lead to alveoli. The alveoli are the balloon-shaped structures and serve as the site of gas exchange between the blood and inhaled air.  

2. The opening and closing of sphincters of capillary beds regulate the direction of blood flow. The opening of sphincters allows the blood to flow into associated branches of capillary beds while closed sphincters direct the blood from arterioles to venules via thoroughfare channel.

This local change in blood flow is responsible for the autoregulation of blood flow to different tissues to match their respective metabolic demands. For example, during physical activity, more blood is directed to skeletal and cardiac muscles.

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Can a virus hang out a long time in a body without showing up
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A virus can be inside a body without showing up
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Answer:

Coral!

Explanation:

I learned this is a biology class a while ago!

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3 years ago
Which major contribution did Carolus Linnaeus to scientific study?
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I am pretty sure that the answer is B.

7 0
4 years ago
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21. All the following are differences between arteries and veins
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Arteries connect to capillaries and veins don't connect to capillaries

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Actually both are connected by capillaries

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