Question

Find the odd one out giving reason:


1. Carbon dioxide, water, chlorophyll, oxygen

2. External respiration, breathing, oxygen, respiration

3. Lungs, skin, kidneys, kidney stone

4. Urea, Uric acid, Bile pigments, nephron

​

Answer 1

Answer:

1 oxygen 2.oxygen 3.kidney stone 4.bile pigment

Answer 2

Answer:

1.water - not related to plant

2.oxygen- nit related to respiration

3.- skin- not an internal organ

4. nephron- not an enzyme

mark as brainliest