Fourth grade circulatory and respiratory systems Flashcards

1

What body system includes the stomach, mouth, and intestines.

2

Your heart is about the size of your . .

3

What does your pulse tell you?

4

Why do we have a respiratory system?

5

What organ does the heart pump blood to that needs oxygen?

6

What organ acts like a pump to move blood around the body?

7

What body system is the heart in?

8

What gas do we breathe out?

9

What organ does oxygen travel to when we breathe in?

Fourth grade circulatory and respiratory systems