Which one of the following pairs includes the abnormal conditions of skin pigmentation?

1. Leukoderma, Ringworm
2. Albinism, Leukoderma
3. Baldness, Albinism
4. Rickets, Baldness

Which one of the organs listed below, functions in regulating our body temperature most actively?

1. Heart
2. Lungs
3. Skin
4. Stomach

The epidermis is highly thickened in:

1. Eyelid
2. Thigh
3. Lip
4. Palm

The sense organ which belongs to the integumentary system of our body is :

1. Eyes
2. Tongue
3. Ears
4. Skin