Question

C. Fact or Bluff?

Directions: Read the statements carefully. Write Fact if the statement is true and Bluff if it is wrong.

_____1. Inhaling causes air to move out of the body.

_____2. Air is pushed out of the body when the air pressure in the lungs is great.

_____3. Oxygen gas combined with the nutrients from our foods produces energy.

_____4. Oxygen is pushed out of the body when we exhale.

_____5. When we inhale, the diaphragm muscle contracts.

_____6. When the lungs expand, the air pressure increases.

_____7. Air rushes into the lungs as we inhale.

_____8. Inhaling causes the chest cavity to return to its original size.

_____9. When the diaphragm muscle relaxes, the diaphragm moves down.

_____10. Carbon dioxide is expelled during exhalation.​

Answer 1

Answer:

1- flase

2-

3-true

4-true

5-true

6-false

7-

8-false

9-true

10-