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Leokris [45]
3 years ago
8

What happens when the hearts beats?

Biology
2 answers:
KengaRu [80]3 years ago
8 0

Answer:

it pumps blood

Explanation:

Anestetic [448]3 years ago
7 0

Answer:

When the heart beats it pumps blood into the arteries and veins connected to it.

Hope this helps

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Suppose that a mouse with black fur has both an allele for black fur and an allele for white fur (Bb). Based on this information
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Dominant black fur and recessive white fur

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Black fur is showing over white fur so it is a dominant trait and white is recessive

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The missing part of the question is as follows:

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Answer:

1. The food she ate is peanut butter and bread, the peanut is rich in protein while the bread is rich in carbohydrate which provides sugar (glucose) by breathing she gets oxygen in a sufficient amount to perform cellular respiration (aerobic) to carry out energy for running. Carbohydrates are a better choice of nutrients befors exercise as carbohydrates provide energy immediately.

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2.  The carbohydrates (glucose) and oxygen she gets from food and breathing react together to perform aerobic cellular respiration to carry out maximum energy. By the digestive system and organs of this system, carbohydrates are broken down into glucose which is diffused into the blood.

Oxygen also diffused to blood from the lungs and heart with the help of the respiratory and cardiovascular systems of her body.

3. By the aerobic cellular respiration process takes place in the mitochondria of the cell helps in providing energy from glucose and oxygen by a three-step process:

Glycolysis, the Krebs cycle, and oxidative phosphorylation. Here glucose reacts with oxygen. Which ultimately provide 36 ATP molecules for the cell in a run.

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What is the smallest unit in biology ?​
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A cell is the smallest unit of a living thing.

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I believe the Answer is B but I could be wrong

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