Question

B. Circle the odd-one out giving appropriate reason.
1. Blood, Haemoglobin, White blood cells, Oxygen transport in the body
2. Veins, Carbon dioxide-rich blood, Oxygen-rich blood. Right auricle
3. Oxygenated blood, Right auricle, Pulmonary vein, Left ventricle, Aorta
4. Gaseous waste, Digestive system, Respiratory system, Lungs, Blood​

Answer 1

Answer:

1. oxygen transport in body

2.oxygen rich blood

3.left ventricle

4.gaseous waste

Answer 2

Answer:

1.oxygen transport in the body....... All are blood components except this

2.right auricle........ All are blood vessels

3.oxygenated blood....... All are associated with heart

4.gaseous waste..... All are organs