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jeka57 [31]
3 years ago
15

How is the increase in pulse rate while carrying out vigorous activities related to the rate of oxygen intake and release of car

bon dioxide? ​
Biology
1 answer:
polet [3.4K]3 years ago
3 0
During exercise there is an increase in physical activity and muscle cells respire more than they do when the body is at rest. The heart rate increases during exercise. The rate and depth of breathing increases - this makes sure that more oxygen is absorbed into the blood, and more carbon dioxide is removed from it.
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The element can be identified through its
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If you mean periodic table then it would be atomic number
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Describe what happens to organisms who optimum temperature zone is between 21°C and 32°C when the temperature rises from 21°C to
stiv31 [10]

Answer and Explanation:

The hypothalamus contains the central thermoreceptors which detect blood temperature as well as the thermoregulatory centre. The skin of organism contains peripheral thermoreceptors which detect the environmental temperature.

Increase in body temperature above the normal initiates the appropriate corrective mechanisms that include sweating, lowering of hair for mammals, vasodilation of superficial blood vessels and decrease in metabolic rates. This has an overall effect of causing the body temperature to fall and the normal body temperature is restored.

Sweat is secreted by sweat glands that evaporates from the surface of the body cooling the body as it absorbs latent heat of vaporization. Superficial blood vessels vasodilate so that more blood flows near the surface to encourage heat loss. Hair is lowered so that it lies against the body surface. This encourages heat loss from the body to the external environment.

4 0
3 years ago
Animals conduct certain behaviors is mating. some practice in which one male breeds with only one female and others practice ,in
lbvjy [14]
The answer is C. 

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8 0
2 years ago
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The NASA Star Finder charts are constructed based on the visible night sky at 34° N latitude, about as far north of the equator
mel-nik [20]

Answer:

I don' know but I know this. hope cam help you

Explanation:

One of the reason before why people worship idols is because at that time there was kind person who is a pious or a prophet at that time who tell to a nation about goodness and about God to worship god alone and to follow the law of god. after there died, people of the nation miss them so much until there make a idols of them so that there remember him and to remember of the good teaching about the law of god.

by time to time after the new generation of the nation there don't know much about the idols that their father Glorify them so there start worshipping the idols for goodness like their father do before. After time by time their worship the idols and claim the idols is the god of them. This happen not in one nation but to a many nation before that have different language in a different places that each places god send for them a prophet with their language on this world before. And after time by time people change the teaching and the message of the prophet. Until god send the last final prophet for the hole humankind that is prophet Muhammad peace be upon him.

5 0
2 years ago
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Mechanism of double fertilization
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One sperm fertilizes the egg cell forming a diploid zygote, the other sperm fuses with the two polar nuclei forming a triploid cell that develops into endosperm 

4 0
3 years ago
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