Why do we feel bilious or liverish ?

Why do we feel thirsty?

Choose the correct answer and write its letter in the brackets: We feel billious or liverish………

Why do we sweat ?

Why do we feel cooler under the fan?

Observe the following table and answer the following questions. Why do we feel much relief when we drink coffee ?

Why do we feel light on our feet when standing in a swimming pool with water up to our armptis ?

Why do we feel cramps in our muscles during sudden physical activity ?