Respiratory system, choice board

Which of the following is the primary muscle involved in breathing?

• A) Diaphragm

• B) Heart

• C) Stomach

• D) Liver

The trachea is also known as the windpipe.

• True

• False

What is the main function of the alveoli in the lungs?

• A) To filter out toxins

• B) To exchange oxygen and carbon dioxide

• C) To pump blood

• D) To store air

Which part of the respiratory system is responsible for warming, filtering, and humidifying the air we breathe?

• A) Lungs

• B) Trachea

• C) Nose

• D) Alveoli

The left lung is larger than the right lung.

• True

• False

What is the name of the tiny hair-like structures that help filter out dust and other particles from the airways?

• A) Alveoli

• B) Bronchi

• C) Cilia

• D) Villi

During inhalation, the diaphragm...

• A) Contracts and moves upward

• B) Relaxes and moves upward

• C) Contracts and moves downward

• D) Relaxes and moves downward

Oxygen-rich blood travels from the lungs to the heart.

• True

• False

Which of the following is a condition characterized by inflamed airways, causing difficulty in breathing?

• A) Asthma

• B) Pneumonia

• C) Bronchitis

• D) Tuberculosis

What is the process called where cells use oxygen to produce energy, carbon dioxide, and water?

• A) Photosynthesis

• B) Respiration

• C) Metabolism

• D) Digestion