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Wittaler [7]
3 years ago
8

Which adaptation helps polar bears maintain a constant internal temperature (thermal homeostasis) in cold weather?

Biology
2 answers:
9966 [12]3 years ago
6 0

Answer:

B

Explanation:

Sloan [31]3 years ago
4 0
The blubber fat layer and white fur helps the polar bears to maintain internal homeostasis in cold weather.
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Medulla oblongata, the lowest part of the brain, is responsible for autonomic functions like ventilation, cardiac conduction, and vomiting.

The brain is a very complex organ that controls about every function of the body. It has three main sections:

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The medulla oblongata is situated at the lowest portion of the brain. It connects to the pons on the upper side and the spinal cord on the posterior side. It is primarily responsible for controlling some autonomic functions, some of which are essential for human survival, such as ventilation ( pons work together with the medulla and produce rhythms for respiration) and cardiac function. Other functions involve controlling sneezing, hormonal balance, etc.

To know more about medulla oblongata, refer to the following link:

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A karyotype is an image of an organism's genes. An example is shown below.
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