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Likurg_2 [28]
3 years ago
12

Absolute brightness is the true brightness of a

Biology
1 answer:
kati45 [8]3 years ago
3 0

Answer:

How bright the star appears at a standard distance of 32.6 light years or 10 parsecs.

Explanation:

I majored in Biology

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Describe the structure and function of capillaries.
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Blood vessels which help the body carry red blood cells throughout the bodies functions.

Explanation:

Capillaries, the smallest and most numerous of the blood vessels, form the connection between the vessels that carry blood away from the heart (arteries) and the vessels that return blood to the heart (veins). The primary function of capillaries is the exchange of materials between the blood and tissue cells.

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Which would be an adaptation in a very cold place, but not in a rainforest?
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In active transport carrier proteins are used.
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The point on earths surface directly above an earthquakes focus is called
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The point on earth's surface directly above an earthquakes focus (hypocenter) is called the epicenter.
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An ice fisherman has fallen through the ice. In response to the cold water, sensors in the man's skin send a "cold" signal to th
Svet_ta [14]

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Hypothalamus

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The hypothalamus is a part of the brain which possesses temperature receptor cells that detect changes in the man’s temperature, thereby sending signals in the form of electrical nerve impulses to the man’s muscles and nervous system, which in turn respond in counteracting the drop in the normal temperature of the body.  

Once the muscle cells of this man receive these signals, they produce heat through thermogenesis by shivering when the muscle cells begin to contract. This is one of the mechanisms by which thermoregulation is achieved as controlled by the hypothalamus in the brain of the man.

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