B10 Key Terms (meanings)

Question 1

Homeostasis

Answer 1

Regulating the internal conditions of the body in response to internal or external changes, to maintain optimum conditions for the body’s functioning

Question 2

Endocrine system

Answer 2

The network of hormone-producing glands in the body.

Question 3

Blood glucose

Answer 3

is transported in the blood, as all cells require it for respiration.

Question 4

Stimulus

Answer 4

A change in the environment, detected by a receptor cell. E.g. light, sound, chemicals (smells and tastes), pressure, pain, temperature etc.

Question 5

what is a nerve and what is it called Nerve

Answer 5

A nerve is just a collection of many nerve cells; nerve cells are called neurones. Neurones transmit (carry) information as electrical impulses.