Across
- 4. The heart is an...
- 5. The left side of the heart pumps blood with more oxygen to the...
- 6. They fight germs
- 7. They carry oxygen
Down
- 1. They help stop bleeding
- 2. The heart works like a ...
- 3. They transport blood around your body
- 8. The right side of the heart pumps blood with less oxygen to the...