1. 7B Warm-Up
2/8/10
# 24
About 6.3 million children in the United States have asthma. About 4 million of them had an asthma attack last year. What do these statistics tell you about the relationship between asthma and asthma attacks?
These statistics tell us that last year not every child who had asthma had an asthma attack.

2. Air moves into the lungs when the diaphragm muscle
7B Warm-Up
2/9/10
# 25
Air moves into the lungs when the diaphragm muscle
Contracts and moves down
Contracts and moves up
Relaxes and moves down
Relaxes and moves up.

3. 7B Warm-Up
2/10/10
# 26
Briefly describe the path that oxygen follows in your respiratory system.

4. 7B Warm-Up
2/11/10
# 27
List 5 facts your learn about the respiratory system.

5. Why do you think there are hairs in your nose?
7B Warm-Up
2/12/10
# 28
Why do you think there are hairs in your nose?

6. Warm-up 23 Match the description with the blood carrier
A. Move blood away from the heart
B. Return blood to the heart
C. Tiny vessels that connect veins and arteries
1. Vein Artery 3. Capillaries