5. (a) The voice of a child is high pitched before puberty whereas it
becomes deeper' when he goes through puberty. Give reasons.
(b) (i) Define hormones.
(ii) Name the hormones secreted by male and female reproductive organs.
(2+3) define hormones
Answers
Answered by
2
Answer:
The processes that are controlled by the nervous system are as follows:
1. The rate of breathing
2. The rate of heartbeat
The processes that are controlled by the endocrine system are as follows:
1. The amount of sugar in blood
2. Growth and development of an organism
Q2 .he nervous system controls body processes by sending messages from the brain through the nerves. How does the endocrine system control body processes?
ANSWER:
The endocrine system controls different body processes by producing chemical messengers called hormones. These hormones are carried to different parts of the body through blood and they exert different effects, which are responsible for regulating different processes of the body.
Explanation:
Similar questions