Vital Organs

I. Fill in the blanks with the correct answers.

1. The ________________ pumps blood to all parts of the body.

2. The heart is located in the __________________.

3. Blood travels to all parts of the body through the ________________________.

4. _______________ allows us to breath.

5 Air is a mix of gases, mainly consist of ______________.

6. A ______________ is an elastic tissue.

7. They have the ability to contract and __________.

8. _____________ air enters the lungs through the nose.

9. ____________: To push air out.

10. The _______________ is part of the digestive system.