Cardio- respiratory system Quiz

Percentage of oxygen intake when breathing in

• 79

• 0.04

• 21

• 16

Percentage of oxygen extracted when breathing out

• 16

• 21

• 79

• 4

Percentage of carbon dioxide intake when breathing in

• 16

• 21

• 0.04

• 4

Percentage of carbon dioxide extracted when breathing out

• 0.04

• 4

• 79

• 16

After breathing in this is the first place oxygen travels to

• Bronchi

• Bronchioles

• Alveoli

• Trachea

Gaseous exchange happens where?

• Bronchi

• Heart

• Alveoli

• Trachea

What is the main organ of the circulatory system?

• small intestine

• bone

• lungs

• heart

Which component of blood fights off foreign invaders like bacteria and viruses?

• Plasma

• White blood cell

• Red blood cell

• Platelet

What is the liquid component of the blood?

• Plasma

• White blood cell

• Red blood cell

• Platelet

Which component of blood forms clots?

• Plasma

• White blood cell

• Red blood cell

• Platelet