7Cb-Muscles And Blood Flashcards
1
Q
Each time your heart pumps blood, it causes a_____
A
Pulse
2
Q
Inside the heart there are_______ that fill with blood
A
Chambers
3
Q
What happens when the chambers are full?
A
It causes the muscle tissue in the wall of the heart to contract. This makes the chambers smaller, pumping blood out of them.
4
Q
How does blood get delivered throughout the body?
A
The blood goes from the heart to blood vessels called arteries, which then lead to tiny blood vessels called capillaries.
5
Q
What specialises capillaries to their function?
A
They have very thin walls so that nutrients (from food) and oxygen can leave the blood and get to the cells in all the tissues in the body.