Respiratory system

What does the respiratory system consist of?

• Lungs

• Trachea

• Bronchus

• Bronchioles

• All of the above

Trachea refers to the respiratory system

• True (T)

• False (F)

The main organ of the respiratory system

• Lungs

• Trachea

• Pharynx

• Nasal cavity

There is an air intake in this organ

• Nose

• Mouth

• Ears

• Eyes

The bronchi are the largest organ of the respiratory system.

• TRUE (T)

• FALSE (F)

What does the respiratory system do?

• Help you breath

• Help you eat

• Help you pump blood

The respiratory systems work together

• TRUE

• FALSE

Do hairs in the nose help to clean air?

• Yes

• No

What is the primary function of the pulmonary artery in the context of the respiratory and circulatory systems?

• It carries oxygenated blood from the lungs to the heart.

  
  

• It carries oxygenated blood from the heart to the rest of the body.

• It carries deoxygenated blood from the lungs to the heart.

• It carries deoxygenated blood from the heart to the lungs.

  
  

How many times does an average person's heart beats in their lifetime?

• 5 billion

• 3 billion

• 20 billion

• 1 million