The Human Circulatory And Respiratory Systems

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| By Nlarue

Nlarue

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Quizzes Created: 2 | Total Attempts: 2,861

Questions: 5 | Attempts: 2,686 | Updated: Mar 21, 2022

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The Human Circulatory And Respiratory Systems - Quiz

This is a quiz about the circulatory and respiratory systems.

Questions and Answers

1.

What controls the heartbeat?
- A.
  
  Your brain
- B.
  
  Natural Pacemaker
- C.
  
  Muscles in your heart
- D.
  
  Trachea
- E.
  
  Epiglottis in your heart
Correct Answer
B. Natural Pacemaker

Explanation
It is the natural pacemaker - thse cells set the pace for the heart as a whole.

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2.

What is the best description of a capillary?
- A.
  
  Smallest of the blood vessels, highways of the circulatory system, bring nutrients and CO2 to tissues
- B.
  
  Largest of the blood vessels, side streets of the circulatory system, bring CO2 to tissues and absorb O2
- C.
  
  Smallest of the blood vessels, side streets of the circulatory system, bring CO2 to tissues and absorb O2
- D.
  
  Smallest of the blood vessels, side streets of the circulatory system, bring nutrients and O2 to tissues and absorb CO2 and waste
- E.
  
  Largest of the blood vessels, same as a vein, only females have them
Correct Answer
D. Smallest of the blood vessels, side streets of the circulatory system, bring nutrients and O2 to tissues and absorb CO2 and waste

Explanation
the three types of blood vessels are veins, capillaries and arteries. capillaries are the smallest and they are the side streets, the arteries and the veins being the highways.

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3.

(The) _____ brings oxygen rich blood from the left ventricle to the rest of the body.

Correct Answer
Aorta

Explanation
The aorta is a large artery that carries oxygenated blood from the left ventricle of the heart to the rest of the body. It is the main artery in the body and branches out into smaller arteries to supply blood to all organs and tissues. The aorta is responsible for delivering oxygen and nutrients to the cells and removing waste products, making it an essential part of the circulatory system.

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4
4.

Explain the difference of the circulatory system and the respiratory system. How are they similar? Different?
5.

The vena cava is a...
- A.
  
  Vein
- B.
  
  Artery
- C.
  
  Capillary
- D.
  
  Chamber of your heart
- E.
  
  Part of your lungs
Correct Answer
A. Vein

Explanation
The vena cava is a large vein that carries deoxygenated blood from the body back to the heart. It is responsible for returning blood to the heart so that it can be pumped to the lungs to receive oxygen.

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1
0

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Current Version
Mar 21, 2022

Quiz Edited by
ProProfs Editorial Team
May 18, 2009

Quiz Created by
Nlarue

The Human Circulatory And Respiratory Systems

What controls the heartbeat?

What is the best description of a capillary?

(The) _____ brings oxygen rich blood from the left ventricle to the rest of the body.

Explain the difference of the circulatory system and the respiratory system. How are they similar? Different?

The vena cava is a...