Nervous System AQA

Homeostasis is maintaining a ___________ internal environment.

• reliable

• different

• constant

• heated

Which of these is NOT under the control of homeostasis?

• Blood-glucose concentration

• Nail growth

• Body temperature

• Water levels

The CNS consists of the (a)   and spinal cord.

Nerve cells are called (a)   .

The gap between two neurones is called the (a)   .

Label 2

(a)  

Label 4

(a)  

Label 5

(a)  

Which options show the correct order of the nervous system?

• stimulus ---> receptor ---> sensory neurone

• coordinator ---> motor neurone ---> effector

• receptor ---> motor neurone ---> effector

• coordinator ---> stimulus ---> response

In a reflex reaction, the electrical impulse does not reach the (a)   .