|
|
 |
|
|
 |
|
What are veins and arteries?
|
|
When blood leaves the lungs, it carries oxygen. This blood travels along vessels called arteries. The body absorbs the oxygen, and the blood travels back to the heart through veins.
|
| |
Previous:
Back
|
Book:
Best Ever Q&A
|
Section:
Science & Technology
|
Chapter:
Human Body
|
|
|
|
 |
|
|
