RESPIRATORY AND CIRCULATORY SYSTEMS

In the lungs, oxygen is absorbed into the blood. In which part of the lungs does this mainly happen?

• alveoli

• bronchi

• bronchioles

• trachea

Which of the following correctly name the parts labeled in the diagram?

• A = alveolus, B = bronchiole

• A = bronchiole, B = trachea

• A = trachea, B = bronchiole

• A = trachea, B = bronchus

Analyze the diagram of the human breathing system. Which of the following is the correct order for air passing through the lungs?

• trachea, bronchus, bronchioles, alveoli

• trachea, alveoli, bronchi, bronchioles

• bronchus, trachea, bronchioles, alveoli

• bronchus, alveoli, trachea, bronchioles

Which of the following DOES NOT happen during inhalation?

• The diaphragm moves up.

• The air moves into the lungs.

• The ribs move upward and outward.

• The pressure in the lungs decrease.

What happens to your diaphragm when you breathe out?

• Your diaphragm expands.

• Your diaphragm contracts.

• Your diaphragm explodes.

• Nothing happens to the diaphragm.

Heart : Blood

Lungs : __________

• carbon dioxide

• oxygen

• vessels

• valve

Which of the following organ pumps blood throughout the body?

• heart

• blood

• blood vessels

• lungs

It is the movement of the blood from the heart to the rest of the body, excluding the lungs.

• Pulmonic Circulation

• Systemic Circulation

• Coronary Circulation

• Open Circulation

How do the heart and the lungs work together? Arrange the following statements in correct order of how the human breathing system works.

• 1 – 4 – 3 – 6 – 2 – 5

• 5 – 2 – 3 – 1 – 4 – 6

• 6 – 2 – 1 – 3 – 4 – 5

• 6 – 4 – 1 – 3 – 2 – 5

What happens to blood when it is pumped into the thin-walled blood vessels of the lungs?

• Blood fills the lungs and causes coughing.

• Carbon dioxide is replaced with oxygen.

• Platelets are exchanged for plasma.

• Nothing -- the lungs are just a place blood goes through on its way back to the heart.