Which one does not belong

Exercise and reference answers

Questions

1. Items

   1. Sweat gland
   2. Insulin
   3. Glucagon

   Odd item

   Sweat gland

2. Items

   1. Pineal
   2. Thyroid
   3. Sebaceous
   4. Adrenal

   Odd item

   Sebaceous

3. Items

   1. Calcitonin
   2. Parathyroid
   3. Melatonin

   Odd item

   Melatonin

4. Items

   1. Aldosterone
   2. Epinephrine
   3. Norepinephrine

   Odd item

   Aldosterone

Instructions

Tap the item that does not fit with the others.

Explanation