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The gaseous exchange in the lungs turn the deoxygenated blood to oxygenated blood.

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Important Questions on Respiration and Circulation

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Science>Biology>Respiration and Circulation>Human Circulatory System
What is excretion? Name two excretory organs in humans.
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Science>Biology>Respiration and Circulation>Human Circulatory System
What is excretion? Explain
(i) excretion in Amoeba.
(ii) excretion in Earthworm.
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Science>Biology>Respiration and Circulation>Human Circulatory System
Excretory organs present in annelids
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Science>Biology>Respiration and Circulation>Human Circulatory System

Removal of wastes from the body is called _____.

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Science>Biology>Respiration and Circulation>Human Circulatory System
What is excretion? Name any two nitrogenous wastes products.
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Science>Biology>Respiration and Circulation>Human Circulatory System

The kidneys in human beings are a part of the system for:

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Science>Biology>Respiration and Circulation>Human Circulatory System
What is excretion?
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Science>Biology>Respiration and Circulation>Human Circulatory System
Name the structures that help in excretion in tapeworm, earthworm, cockroach and human beings.
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Science>Biology>Respiration and Circulation>Human Circulatory System
Define excretion.
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Science>Biology>Respiration and Circulation>Human Circulatory System

Name the following-

Organ from which freshly oxygen-enriched blood goes into the heart.

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Science>Biology>Respiration and Circulation>Human Circulatory System
The systemic circulation ensures that all body tissues receive adequate _____ supply.
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Science>Biology>Respiration and Circulation>Human Circulatory System
How does circulation happen in our body? Explain.
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Science>Biology>Respiration and Circulation>Human Circulatory System

Answer the following question in detail.

Describe the process of blood circulation in the human body.

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Science>Biology>Respiration and Circulation>Human Circulatory System

In the systemic circulation, the left ventricle pumps oxygenated blood from the _____ to the capillaries in the body's tissues

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Science>Biology>Respiration and Circulation>Human Circulatory System
Blood is pumped from the heart to the entire body by the:
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Science>Biology>Respiration and Circulation>Human Circulatory System
Pulmonary artery arises from _____. (left auricle/ right ventricle/ left ventricle)
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Science>Biology>Respiration and Circulation>Human Circulatory System

Organise the following flowchart in the correct order by numbering it.

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Science>Biology>Respiration and Circulation>Human Circulatory System
Right auricle receives oxygenated blood.
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Science>Biology>Respiration and Circulation>Human Circulatory System

Unscramble the word to find the answer.

Name the circulation between lungs and heart. (MPYRULANO  ULNCIIORTCA)

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Science>Biology>Respiration and Circulation>Human Circulatory System

The normal diastolic blood pressure is