Transportation in Human Beings Activity 6.7 Visit a health centre in your locality and find out what is the normal range of haemoglobin content in human beings. Is it the same for children and adults? Is there any difference in the haemoglobin levels for men and women? Visit a veterinary clinic in your locality. Find…

Nutrition in Human Beings The alimentary canal is basically a long tube extending from the mouth to the anus. In Fig. 6.6, we can see that the tube has different parts. Various regions are specialised to perform different functions. What happens to the food once it enters our body? We shall discuss this process here.…