B3 2 The Circulatory System Flashcards
1
Q
The structure of the heart:
A
2
Q
What is the heart?
A
The heart is an organ that pumps blood around the body
3
Q
What do valves do?
A
Valves make sure blood flows in the right direction through the heart
4
Q
Do humans have a double circulation system?
A
Yes
5
Q
Why is a transport system important?
A
A transport system is vital to supply the needs of your body cells and remove the waste material they produce. This is the function of your blood circulation system
6
Q
A
