body fluids and circulation class 11 notes

1. Transportation of Substances in Human Body – Blood and Lymph Explained Har living organisms me, ye zaruri hai ki har cell ko important substances jaise oxygen (O₂), nutrients, aur dusre essentials supply kiye jayein. Saath hi, waste products ya toxic substances jo cell functions ke dauran bante hain, unko regularly remove karna bhi zaruri…

1. Transportation of Substances in Human Body – Blood and Lymph Explained In all living organisms, it is essential to supply each cell with important substances like oxygen (O₂), nutrients, and other essentials. At the same time, waste products or toxic substances formed during cell functions must be removed regularly to maintain the health of…