Bill Nye Blood & Circulation

The _____ is the big push and the _____ is the reloading push.

• Lub, Dub

• Dub, Lub

• Lub, Lub

• Dub, Dub

As you move away from the heart, your vessels _______

• Get Bigger

• Get Smaller

• Disappear

• Stay the same size

If your capillaries are driveways, then your cells are ______.

• Highways

• Grocery stores

• Houses

• Rivers

Tags

NGSS.MS-LS1-2

NGSS.MS-LS1-3

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

Which lives longer?

• Red blood cells

• White blood cells

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

• two years

• two months

• two weeks

• two days

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

NGSS.MS-LS1-3