IS 功課唔係好識~ (中二)

1 . 食物所提供的能量對人類有什麼用途?
provide energy(能量)for our body to run, for the activities of different organs

2 . 列表比較和

both_release heat
both release water
both realease carbon dioxide

respiration(呼吸作用)take place in cell, but is not
燃燒食物will have light given out, but respiration does not

3 . 呼吸與呼吸作用的分別

呼吸is the action breath in air, 呼吸作用 includes the whole process, breath in, react in lungs, changes into energy, and breath out

4.列表比較光合作用和呼吸作用

1. the energy in photosynthesis will store as starch, respiration might store as fat
2. photosynthesis need light, but repiration doesn't need

3. both take place in cell

2008-10-12 17:33:57 補充：
the things said by 上面個位仁兄 also correct, also add them in your answer

1 . 食物所提供的能量對人類有什麼用途?
可以令人類身體健康，也可以維持生命

2 . 列表比較燃燒食物和呼吸作用
________________________________
l_______________________________l
l_______________________________l
l_______________________________l
l_______________l________________l
l_______________l________________l
l_______________l________________l

3 . 呼吸與呼吸作用的分別
___呼吸是通過肺部進行氣體交換，補充血液內的氧氣，釋出多餘的二氧化碳；呼吸作用是指細胞利用食物和氧氣進行化學作用，產生能量以維持運作，並釋出熱能，二氧化碳和廢物。

4.列表比較光合作用和呼吸作用
_______________________________
l______釋出氧氣_________l________釋出二氧化碳________l
l_______________l________________l
l_______________l________________l
l_______________l________________l
l_______________l________________l
l_______________l________________l

1)support our activities