Bill Nye: Blood and Circulation

All the blood in your vessels could stretch around the earth _____ times.

• 2

• 2.5

• 3

• 25

When the right side of your heart squeezes, blood goes to your ______

• Lungs

• Body

• Left side of the heart

When the left side of your heart squeezes, blood goes to your _____

• Lungs

• Right side of heart

• Body

There are more of these in your bloodstream:

• red blood cells

• white blood cells

• bacteria cells

Tags

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Which one of the following blood components helps it to clot when the skin is cut?

• Red blood cells

• White blood cells

• Plasma

• Platelets

Types of cells in the blood that causes blood clots to form

• Platelets

• White Blood Cell

• Plasma

• Hemoglobin

Irregularly shaped cell fragments that help clot blood

• Platelets

• Lymph

• Plasma

• White Blood Cells

What type of blood cell carries oxygen?

• red blood cell

• leukocyte

• white blood cell

• platelets

How long do your red blood cells last in your body before new ones are made?

• one month

• two months

• three months

• four months

Tags

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When you’re watching TV, it takes ________ for blood to travel through your body. 

• 35 - 45 seconds

• 30 - 40 minutes

• 35 - 45 hours

• 3 - 4 seconds