Lesson 5 the journey of a red blood cell

Where is the red blood cells first stop?

• Brain

• Lungs

• Feet

• Stomach

What does the red blood cell collect from the lungs?

• O2 ( oxygen)

• CO2 ( carbon dioxide)

• Nitrogen

• White blood cells

Where does the oxygenated blood go first?

• Pulmonary vein

• Aorta

• Vena cava

• Left atrium

Approximately how long does a red blood cell last before it falls to bits.

• 80 days

• 100 days

• 120 days

• 150 days

How many times does each red blood cell whiz around the body in its life time?

• 100,000 times

• 200,000 times

• 150,000 times

• 120,000 times

Which word that’s been used in the text means that something never stops happening

• Endlessly

• Repeatedly

• Continuously

• Over and over again

Which word that’s been used in the last paragraph means to travel very fast?

• Rapid

• Quickly

• Whiz

Where did the red blood cell remember hitching a ride through?

• Superior Vena Cava

• Inferior Vena Cava

• Aorta

• Pulmonary Artery

Where did the red blood cell end up?

• The upper half of the body

• The lower half of the body

• Brain

• Eyes

What is the primary function of red blood cells in the human body?

• Clotting blood

• Fighting infections

• Producing hormones

• Transporting oxygen