The Heart & Blood

Question 1

Which sentence correctly tells what the heart does for our bodies all day?

Accepted Answer

It constantly pushes blood through tiny tubes called blood vessels.

Answer

It only works when we are running or playing.

Answer

It stores extra blood in our stomach.

Answer

It makes our muscles grow without us moving.

Question 2

When you are building a tower with blocks and later falling asleep, which sentence tells what your heart is doing the whole time?

Accepted Answer

It keeps sending blood through tubes to every part of your body.

Answer

It stops moving blood when you are still, and starts again when you run.

Answer

It stores blood inside until you breathe out.

Answer

It only sends blood to your arms while you are holding blocks.

Question 3

Maya is watering the garden and then reading her favorite book. Which sentence correctly tells what Maya’s heart is doing during these activities?

Accepted Answer

It is constantly pushing blood through all the tubes in her body.

Answer

It stops pumping until she starts running again.

Answer

It only sends blood to her arms while she reads.

Answer

It keeps the blood inside its chambers until she needs it.

Try three questions