Question

Circle the odd one out.

1. brain, spinal cord, blood, nerves.

2. mouth, food pipe, windpipe, stomach, intestine,

3. kidneys, skin, muscles, lungs .

4. lungs, wind pipe, throat, bones, nasal passage​

Answer 1

Answer:

1.blood

2.windpipe

3.skin

4.bones

Answer 2

Answer:

1. spinal cord

2. mouth

3. skin

4. wind pipe