Type the number

Exercise and reference answers

Questions

1. Answer

   3

   Question

   Major regions of the human brain

2. Answer

   2

   Question

   Organs that make up the central nervous system

3. Answer

   2

   Question

   Nerve cells a signal needs to cross one synapse

4. Answer

   1

   Question

   Gland in the neck that needs iodine, count it

5. Answer

   1

   Question

   Hormone the pancreas makes to lower blood sugar, count it

6. Answer

   10

   Question

   Age in years when puberty changes often begin

Instructions

Type the number only.

Explanation