IDNStudy.com, ang platform na nag-uugnay ng mga tanong sa mga sagot ng eksperto. Makakuha ng mabilis at eksaktong sagot sa iyong mga tanong mula sa aming mga eksperto na laging handang tumulong.

Activity 2
ons: Use the clues on the side to fill in the crossword puzzle with the correct
words.

Across:
2. carries the materials
throughout the body
3. diaphragm relaxes
6. the smallest blood vessels
in the body
10. carries the blood
throughout the body
11. transportation or
movement in circles
13. hair-like tubes
Down:
1. bronchial tubes
4. carries deoxygenated blood
to the heart
5. windpipe
7. breathing
8. air sacs
9. pumps blood
12.diaphragm contracts