Classify each description below by giving it the letter or letters of the correct component or components.

1. climbing a short flight of stairs ; A 

2. walking one mile briskly B

3. cross-country skiing; B 

4. 15 minutes of stretching exercises; D 

5. lifting a heavy weight with few repetitions; A 

6. jogging a 5 km fun-run; C 

7. eating healthfully; E 

8. dancing for 30 minutes E

9. carrying a heavy shopping bag from a store to your home B

10. swimming 10 laps; C 

11. pushing a large piece of furniture to the other side of a room; A 

12. cycling to school every morning A
13. lifting weights with many repetitions; A 

14. jumping rope to warm up D

15. regular exercise in all areas B

creative crowdsourcing spans sourcing creative projects such as graphic design, crowdsourcing architecture, apparel design, movies, writing, company naming, illustration, etc.

explanation:

answer: proteins

explanation: complement is   system of circulate in the blood in a inactive form

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