bio唔識,,,幫幫手!

2007-12-30 12:44 am
2.
a. state one reason why energy expenditure is higher for men than for women.
b. Name one activity that would be included in basal metabolic activities.
c. List two factors which may affect the daily energy expenditure of human being.
更新1:

d.If cooked rice has an energy content of 1500kj per 100g , how much rice should a man who engaged in heavy manual work have to get enough energy? e.Explain what might be the effect of eating a large quantity of rice?

回答 (2)

2007-12-30 12:51 am
✔ 最佳答案
a. Because women usually have more subcutaneous fat under the skin which helps reduce heat loss. Men then need more energy for keeping themselves warm.

b. Respiration

c. Occupation, sex

2007-12-29 16:54:22 補充:
d. it depends on how much energy the man requires.

2007-12-29 16:54:33 補充:
e. eating a lot of rice means taking in a lot of carbohydrates. carbohydrates can provide energy for us normally. However, if the energy output is less than the energy input from the rice, the extra carbohydrates will be converted to fats or glycogen for storage, thus causing overweight.

2007-12-29 16:54:55 補充:
what is frankie21tsang talking about ? = =
參考: my for 5 bio knowledge
2007-12-30 12:53 am
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