MCQ
What is true about $RBCs$ in humans?
- ✓They carry about $20-25$ per cent of $CO_2$
- BThey transport only $O_2$
- CThey transport about $80$ per cent of excretory waste
- DThey do not carry $CO_2$ at all
Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.
$(a)$ Using sterile needles
$(b)$ Transfusion of blood from infected person
$(c)$ Infected mother to foetus
$(d)$ Kissing
$(e)$ Inheritance
Choose the correct answer from the options given below.