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Sphinxa [80]
3 years ago
11

What are control variables ? ?

Biology
2 answers:
Basile [38]3 years ago
7 0

Answer:

experimental element which the constant stays the same in the expirement

Explanation:

sorry if im not that good at explaining

dimulka [17.4K]3 years ago
3 0

Answer:

A control variable is any factor that is controlled or held constant during an experiment. For this reason, it's also known as a controlled variable or a constant variable. A single experiment may contain many control variables.

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Answer:

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Explanation:

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Ventricular systole is when the ventricles of the heart as the result of electrical activity which helps to pump blood. During ventricular systole oxygenated blood is pumped from the left ventricle through the aortic valve and aorta. Simultaneously deoxygenated blood is pumped from the right ventricle through the pulmonic valve and pulmonary artery to the lungs. Using this explanation blood enters  the aorta and pulmonary artery during ventricular systole. <span />
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vampirchik [111]

Answer:

oropharynx

Explanation:

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3 0
3 years ago
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Methods of COAGULATION?<br><br><br>​
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Answer:

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Explanation:

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