CBSE Tutorials

Transportation in Plants We have discussed earlier how plants take in simple compounds such as CO2 and photosynthesise energy stored in their chlorophyll-containing organs, namely leaves. The other kinds of raw materials needed for building plant bodies will also have to be taken up separately. For plants, the soil is the nearest and richest source…

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…