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adoni [48]
3 years ago
9

How does your heart rate affect the rate at which red blood cells travel throughout your body? PLEASE HELP ME QUICK!!

Biology
1 answer:
kiruha [24]3 years ago
4 0

Answer:

with each heartbeat,the heart pumps blood throughout our bodies,carrying oxygen to every cell,after delivering oxygen the blood returns to the heart the heart then sends the blood to the lungs to pick up more oxygen.

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What are some non examples of fertilization
lukranit [14]

Answer:

Infertile. That is the only one I can think of sry

Explanation:

Hope this helped, Have a Wonderful Day/Night!!

3 0
3 years ago
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Plants are defined by what main characteristics?
svetoff [14.1K]
Plants have a cell wall composed of cellulose, chloroplasts, and a large central water-filled vacuole.
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4 years ago
What is the role of 3tc in inhibiting hiv reproduction?
Nimfa-mama [501]
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6 0
3 years ago
In a large population of randomly breeding foxes, a dominant allele results in a soft, brown pelt, while a recessive allele resu
Sindrei [870]

Answer:

The frequency of the recessive allele which codes for grey pelt character will rise above 20%, while the that of the dominant allele that confers brown pelt character will decrease below 80%.

Explanation:

Since the population of foxes with brown pelts are being selectively hunted by humans, the population of foxes with brown pelts will keep reducing while the population of foxes with grey pelt will thrive in its place.

<em>Hence, the the frequency of the recessive allele which confers grey pelt attribute will rise above original 20% within the population, while the dominant allele will decrease below 80%.</em>

4 0
3 years ago
Jeremy walks down a dark alley and finds himself confronted by a vicious dog. His heart starts beating faster and his eyes dilat
salantis [7]

Answer:

Adrenocorticotropic hormone (ACTH)

Explanation:

During stress condition, the pituitary gland located in the brain receives a stimulatory signal from the hypothalamus and releases the Adrenocorticotropic hormone .

The Adrenocorticotropic circulate in the brain and when reaches the adrenal gland causes the release of the cortisol and the epinephrine or adrenaline from the adrenal gland cortex.

These two hormones along with norepinephrine acts in the adrenergic receptors and produces the stress response or fight or flight response.

Thus, Adrenocorticotropic hormone is the correct answer.

8 0
3 years ago
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