Bill Nye Science Guy on Human Body

If your capillaries are like driveways, your ___________ are like houses.

• cells

• hearts

• lungs

• blood and oxygen

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As you move away from your heart, your blood vessels get _________.

• larger

• smaller

• thicker

• longer

All the blood in your vessels could stretch around the Earth _________ times.

• 2.5

• 2.5 million

• 2.5 billion

• 250 million

The __________ is the big push and the _________ is the reloading push.

• lub, dub

• dub, lub

We have more _____________ blood cells in our bodies.

• white

• red

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

• all parts of your body

• the lungs

• get oxygen

• make lactic acid

Your heart pumps about _____________ liters of blood each day.

• 7,000

• 10,000

• 100,000

• 700

White blood cells live longer than red blood cells.

• Totally true!

• Completely false!

Exercise brings _______________ to your muscles.

• carbon dioxode

• milk and calcium

• skin cells

• blood & oxygen

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Arteries take blood ______________________________.

• to the heart

• away from the heart