West Bengal Board Solutions for Chapter: Human Food, Exercise 42: Exercise 42
West Bengal Board Science Solutions for Exercise - West Bengal Board Solutions for Chapter: Human Food, Exercise 42: Exercise 42
Attempt the practice questions on Chapter 5: Human Food, Exercise 42: Exercise 42 with hints and solutions to strengthen your understanding. Environment and Science Class 7 solutions are prepared by Experienced Embibe Experts.
Questions from West Bengal Board Solutions for Chapter: Human Food, Exercise 42: Exercise 42 with Hints & Solutions
Breathe heavily in front of a mirror. Do you see the mark on the mirror? Where does this vapour come from? So what are the function of water?

You know that water is present in the synovial fluid present in bone joints. What is the function of water here?

In diarrhoea, the watery stool is frequently discharged. This may be accompanied by vomiting. Many essential nutrients are lost with these watery discharges. What role does water play here?

Digestion starts in the mouth cavity after the intake of food. What is the function of water here?

After digestion, simplified portions of food are absorbed by the body through the wall of the small intestine. What are the functions of water?

Undigested part of food comes out of the body as soft stool. Which role water performs here?

High fever occurs in Malaria or pneumonia. What role does water play when the fever subsides through sweating or a patient suffering from high fever is bathed in water?

Water is used by plants to synthesise food. What function does water perform here?
