MCQ
The basic functional unit of the human kidney is
- ✓nephron
- Bnephridia
- Cpyramid
- DHenle's loop
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$I.$ Oxygen is carried by haemoglobin
$II.$ Oxygen is carried by carbonic anhydrase
$III.$ $C O_{2}$ is carried by haemoglobin
$IV.$ $SO _{2}$ is carried by haemoglobin
$V.$ Only oxygen is transported by the blood
$VI.$ Only $C O_{2}$ is transported by the blood
Choose the correct option