1
The heart and blood vessels are part of what system?
2
The right ventricle where it sends the blood?
3
How many parts does the heart divide? Mention them.
4
Where is the electrical wiring that has the heart beating?
5
What color is the blood stored on the right side of the heart?
6
What's the name of the heart relaxation movement?
7
What color is the blood stored on the left side of the heart?
8
What's the name of the heart contraction?
9
What part does the blood go to when it reaches the left side of the heart?
