B10

Question 1

Homeostasis

Answer 1

the tendency towards a relatively stable equilibrium between interdependent elements, especially as maintained by physiological processes.

Question 2

Receptor

Answer 2

an organ or cell able to respond to light, heat, or other external stimulus and transmit a signal to a sensory nerve

Question 3

Coordination centre

Answer 3

These organs will signal to an effector (a muscle or gland) by releasing an electrical impulse along a motor neuron

Question 4

Effector

Answer 4

that produce a response to a detected stimulus

Question 5

Nuerone

Answer 5

Information messengers

Question 6

Nerve

Answer 6

Nerves are like cables that carry electrical impulses between your brain and the rest of your body.

Question 7

Central nervous system

Answer 7

The central nervous system (CNS) is made up of the brain and spinal cord

Question 8

Sensory neurone

Answer 8

Sensory neurons are the nerve cells that are activated by sensory input from the environment

Question 9

Motor neurone

Answer 9

Motor neurons (MNs) are neuronal cells located in the central nervous system (CNS) controlling a variety of downstream targets.

Question 10

Reflex

Answer 10

an action consisting of comparatively simple segments of behaviour that usually occur as direct and immediate responses to particular stimuli uniquely correlated with them.

Question 11

Reflex arc

Answer 11

The nerve pathway followed by a reflex action