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IRINA_888 [86]
3 years ago
12

7 whatistheexeretion?​

Biology
2 answers:
Andrew [12]3 years ago
8 0

Answer:

excretion is the process by which the body excretes [throws out] unwanted substances

Explanation:

DaniilM [7]3 years ago
7 0

Answer:

Excretion is a process by which metabolic waste is eliminated from an organism.

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With an experiment following the scientific method

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1. on the trace above
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1. when there is cardiovascular disease.

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3. The mitral valve opens.

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1. High blood pressure is a common condition in which the force exerted by blood against the walls of the arteries over the course of time is high enough to cause you health problems such as heart disease. After the first rise of pressure caused cardiac ejection volume, one notch occurs with a second ascent product of the reflection of the pulse wave. In younger individuals, with elastic arteries, said wave occurs in diastole, so does not influence the peak systolic pressure. By contrast, with advancing age and the stiffness of large vessels, the reflected wave is transmitted prior to the aorta (systole) so as to increase the peak central PAS.

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3. When the pressure in the left ventricle falls below the pressure of the left atrium, the mitral valve opens, and the left ventricle fills with blood that had been accumulating in the left atrium.

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A student measured the amount of oxygen and carbon dioxide dissolved in an aquarium containing an aquatic plant and a snail. Why
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