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Human Body Systems Quiz

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Questions and Answers

What is the primary function of the respiratory system?

To transport nutrients from the digestive system to the cells of the body

To facilitate the exchange of oxygen and carbon dioxide (correct)

To pump blood throughout the body

To move waste products from the cells to the kidney

Which part of the respiratory system is responsible for exchanging oxygen and carbon dioxide?

Diaphragm

Trachea

Alveoli (correct)

Bronchi

What is the role of the circulatory system in relation to the digestive system?

To remove waste products from the digestive system

To regulate the body's temperature

To transport nutrients from the digestive system to the cells of the body (correct)

To transport oxygen from the lungs to the digestive system

Which of the following blood vessels is responsible for carrying oxygenated blood from the lungs to the heart?

<p>Pulmonary vein</p> Signup and view all the answers

What is the process by which oxygen bonds to hemoglobin in the blood?

<p>Diffusion</p> Signup and view all the answers

Study Notes

Respiratory System

The respiratory system consists of the nose, mouth, trachea, diaphragm, and lungs (left and right)
Lungs are composed of bronchi, bronchioles, capillaries, and alveoli

Circulatory System

The circulatory system includes the heart, left ventricle, right ventricle, left atrium, and right atrium
Blood vessels are part of the circulatory system, including veins (e.g. pulmonary vein, inferior vena cava, superior vena cava) and arteries (e.g. aorta, pulmonary artery)
The circulatory system is responsible for transporting nutrients from the digestive system to the body's cells
The circulatory system also moves waste products from the cells to the kidneys

Gas Exchange

Oxygen diffuses into the alveoli and binds to hemoglobin in the blood
Carbon dioxide from the blood diffuses into the alveoli and is exhaled out of the body through the respiratory system