Question

1 .Nerves that originate from brain.
2. An acton that occurs automatically. without our conscious throught.
3.Chemicals messagers prouduced by endocrine gland .
4. The preiod during which sexual development take place in girl and boys
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Answer 1

Answer:

1. Cranial nerves

2. Involuntary actions

3. Hormones

4. Puberty ( Adolescent period )

Explanation:

1. The cranial nerves are a set of 12 paired nerves that arise directly from the brain
2. an automatic process is unintentional, involuntary action that occurs automatically without our conscious throught.
3. The glands that make up the endocrine system produce chemical messengers called hormones.
4. During adolescence boys and girls reach adult height and weight and undergo sexual maturation (puberty)