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777dan777 [17]
4 years ago
9

Why the blood pressure changes when holding breath?

Biology
1 answer:
telo118 [61]4 years ago
5 0
Blood vessels goes up to your head and you need air for your lungs to breath
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Shivering is ______. Multiple Choice the rapid, voluntary contraction of smooth muscles the rapid, voluntary contraction of skel
Hitman42 [59]

Answer:

The correct answer is - involuntary contraction of the skeletal muscles.

Explanation:

Shivering or the chills that is involuntary action of body to maintain the homeostasis by controlling the body heat or maintaining body temperature it can cause by environmental change or the infection.

It is rapid involuntary contraction and relaxation of the skeletal muscles whenever body needs to produce heat when ti feels cold. Skeletal muscles are act as thermal effector in such cases.

Thus, the correct answer is - involuntary contraction of the skeletal muscles.

6 0
3 years ago
Which group in a food web is responsible for returning inorganic compounds back to the environment?.
kaheart [24]
The answer is Decomposers
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2 years ago
How does an increase in global temperature affect the amount of carbon dioxide in the air?
Lemur [1.5K]
Is there answer choices??
6 0
4 years ago
Indicate whether each of the following descriptions better applies to a centromere (C), a telomere (T), or an origin of replicat
zhannawk [14.2K]

Answer:

T T C O C T

Explanation:

Each eukaryotic chromosome usually has repeated telomere sequences ranging from 2 to as many as 2000.

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The origin of replication is the site where DNA duplication starts in S phase.

The centromere attaches the chromosome to the mitotic spindle via the kinetochore structure.

Teleomere contains repeateted sequences at the ends of the chromosomes.

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3 years ago
The building blocks of DNA are like alphabet letters, because they:
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Lol D. Is correct... just sounds the most scientific don’t you think? But it’s also how nucleotides/ DNA works so yea
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3 years ago
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