Q4 of 21 Page 57

In which of the following parts of human body are sweat glands absent?

Sweat glands are responsible for releasing a salt and water mixture, from most parts of our body. They are the reason we keep sweating continuously and get those stains on our shirts on a hot summer day! Sweat glands are present in most of our body parts, except the lips and the genital area, therefore we do not sweat from those regions.

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2

They are pipe-like, consisting of a group of specialized cells. They transport substances and form a two-way traffic in plants. Which of the following terms qualify for the features mentioned above?

 3

The absorption of nutrients and exchange of respiratory gases between blood and tissues takes place in –

 5

In a tall tree, which force is responsible for pulling water and minerals from the soil?

 6

Aquatic animals like fish excrete their wastes in gaseous form as