The body uses the nervous system and the endocrine system to coordinate responses.
The Table compares the two systems.
Table
| Feature | Nervous system | Endocrine system |
|---|---|---|
| How the message is carried | electrical impulses along neurones | |
| Speed of the response | slow | |
| How long the response lasts | a short time |
Complete the Table.
Oestrogen is carried to all parts of the body. Only some cells respond to oestrogen.
Suggest why.
Name the gland in the brain that controls many of the other endocrine glands.
84 exam-style questions on OCR GCSE Biology 3.2 Coordination and control – the endocrine system, covering 3.2.1 Principles of hormonal coordination and control, 3.2.2 Roles of thyroxine and adrenaline, 3.2.3 Hormones in human reproduction, 3.2.4 Interactions of reproductive hormones, 3.2.5 Hormones in contraception, 3.2.6 Hormones in reproductive technologies, 3.2.7 Plant hormones in growth and coordination, 3.2.8 Effects of plant hormones, and 3.2.9 Uses of plant hormones. Each one has a worked solution and a mark scheme showing where the marks go.