The concentration of $O_2$ and $CO_2$ is variable but on the average ,
$100\;mL$ blood contains 0.02g of $O_2$ and $0.08\;g$ of $CO_2$. Calculate the Volume of $O_2$ and $CO_2$ at $1\; atm$ and body temperature $37^{\large\circ}C$ assuming $10$ litre blood in human body.