Body Systems circulatory and respiratory system

The main job of the respiratory system is to take in ________________________.

• carbon dioxide
• water
• oxygen
• substances

If you have bronchitis, what part of the respiratory system has an infection?

• trachea
• alveoli
• mouth
• bronchi

What are the grape-like clusters in the lungs that exchange oxygen and carbon dioxide?

• bronchi
• alveoli
• lungs
• trachea

The left lung is smaller because it has to make room for the heart.

• True
• False

Which of the following is NOT breathed out when you exhale?

• water
• carbon dioxide
• heat
• oxygen

Which of the following is a substance the circulatory system delivers to all of the cells?

• medicine
• nutrients
• vitamins
• all of the above

One of the main jobs of the circulatory system is to keep the human body at 98.6F temperature.

• True
• False

How many chambers (rooms) are in the heart?

• 1
• 2
• 3
• 4

What is an upper chamber (room) of the heart called?

• atrium
• artery
• vein
• ventricle

What is a lower chamber (room) of the heart called?

• atrium
• artery
• vein
• ventricle