Key Words

Question 1

ADH

Answer 1

A hormone involved in keeping water levels constant

Question 2

Antibiotic resistance

Answer 2

When microbes are not killed off by antibiotics

Question 3

Antibiotics

Answer 3

Drugs that kill bacteria but NOT viruses

Question 4

Antibodies

Answer 4

Made by white blood cells. They have a specific shape that fits over the microbe to help kill it

Question 5

Antigens

Answer 5

Found on the surface of a micro-organism

Question 6

Arteries

Answer 6

Blood vessels that carry oxygenated blood away from the heart

Question 7

Bacteria

Answer 7

Single celled organism that do not have a nucleus. They can cause disease.

Question 8

Blood pressure

Answer 8

The pressure exerted by the blood pushing on the walls of a blood vessel

Question 9

Capillaries

Answer 9

Tiny blood vessels that are one cell thick. They carry blood to the tissues

Question 10

Double blind trial

Answer 10

A clinical trial where no one is aware of the drug being taken - either its real or placebo.

Question 11

Effector

Answer 11

Carries out a change in your body to keep internal conditions constant

Question 12

Homeostasis

Answer 12

Keeping conditions inside the body the same

Question 13

Immune

Answer 13

When your body is able to fight off an invading micro-organism quickly usually because you have been exposed to it before

Question 14

Kidneys

Answer 14

Organs in the body that remove waste urea from the blood and keep water levels constant (urine)

Question 15

Memory Cells

Answer 15

A type of white blood cell that lasts in the body for a long time. They produce antibodies.

Question 16

Micro-organisms

Answer 16

Living organisms that can be seen by looking through a microscope - include: bacteria, viruses and fungi

Question 17

MRSA

Answer 17

A type of bacteria that has become immune to antibiotics. SUPERBUG

Question 18

Negative feedback

Answer 18

when the body produces a response to reverse a change

Question 19

Pituitary gland

Answer 19

part of the brain that is responsible for releasing ADH

Question 20

Placebo

Answer 20

A fake version of a drug

Question 21

Pulse Rate

Answer 21

the rate at which the heart beats

Question 22

Receptor

Answer 22

Detects change in your body and passes the information to your brain

Question 23

Vaccination

Answer 23

Injecting a dead or weak version of a microbe to trick your body into producing antibodies and memory cells.

Question 24

Veins

Answer 24

Blood vessels that carry de oxygenated blood towards the heart to be oxygenated - then Arteries carry it back away from the heart.

Question 25

Virus

Answer 25

Micro-organisms that can only live and reproduce inside living cells

Question 26

White blood cells (WBC)

Answer 26

Cells in the blood that fight micro-organisms. Some WBC digest invading micro-organisms whilst others produce antibodies.