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11 questions
The __________ is the big push and the _________ is the reloading push.
lub, dub
dub, lub
blood pressure, circulation
red blood cells, white blood cells
As you move away from your heart, your blood vessels get _________.
larger
smaller
thicker
longer
If your capillaries are like driveways, your ___________ are like houses.
cells
hearts
pacemakers
blood and oxygen
When the left side of your heart squeezes, blood goes to _____________________.
all parts of your body
carbon dioxide
oxygen
lactic acid
I have more _____________ blood cells in my body.
white
red
oxygen
carbon dioxide
White blood cells live longer than red blood cells.
Totally true!
Completely false!
It takes approximately ___________ seconds for blood to go around your body when you're exercising.
10
35
2.5
5
It takes approximately _____________ seconds for blood to go around your body when you're sitting down taking this quiz.
35
10
2.5
5
Your heart pumps about _____________ liters of blood each day.
7,000
10,000
100,000
700
During your lifetime your heart will beat approximately ________________ times.
2 billion
2 million
100 billion
500 million
Exercise brings _______________ to your muscles.
blood & oxygen
fibers and growth
cardiac tissue
heavy contraction
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