Homeostasis - Year 10

Question 0

Homeostasis

Answer 0

Maintenance of stable body environment despite changes in external environment

Question 1

Vasodilation

Answer 1

Widening of the blood vessels

Question 2

Hypoglycaemia

Answer 2

Abnormally low blood sugar levels

Question 3

Vasoconstriction

Answer 3

Narrowing of blood vessels

Question 4

Thermoregulatory centre

Answer 4

Part of the brain which controls core body temperature

Question 5

Diabetes

Answer 5

Condition characterised by abnormally high blood sugar levels

Question 6

Receptor

Answer 6

Sensor that detects a stimulus

Question 7

Gland

Answer 7

Organ that secretes a hormone

Question 8

Glycogen

Answer 8

Storage carbohydrate in animals

Question 9

Glucose

Answer 9

Main substrate for respiration

Question 10

Set point

Answer 10

Normal value for a variable

Question 11

Stimulus

Answer 11

A change in the variable

Question 12

Response

Answer 12

Corrective change that brings variable back to normal level

Question 13

Hyperthermia

Answer 13

Abnormally high body temperature

Question 14

Skin

Answer 14

Organ that senses the surface temperature of the body

Question 15

Negative feedback

Answer 15

Mechanism that counteracts a change

Question 16

Hypothalamus

Answer 16

Part of the brain where the thermoregulatory centre can be found

Question 17

Sweat gland

Answer 17

Organ in the skin that secretes perspiration

Question 18

Hypothermia

Answer 18

Abnormally low body temperature

Question 19

Effector

Answer 19

Brings about the response

Question 20

Hormone

Answer 20

Chemical messenger that travels in the bloodstream

Question 21

Glucagon

Answer 21

Hormone which acts to increase blood glucose levels

Question 22

Insulin

Answer 22

Hormone which acts to lower blood glucose levels

Question 23

Liver

Answer 23

Organ that stores glucose as glycogen

Question 24

Pancreas

Answer 24

Organ which produces (and secretes) insulin and glucagon