Respiration

Question 1

Aerobic respiration

Answer 1

A type of respiration in which oxygen is used to release energy from substances, such as glucose.

Question 2

Carbohydrate

Answer 2

A nutrient that is used as the main source of energy. Examples include starch and sugars

Question 3

Combustion

Answer 3

Burning, usually in air. The reaction usually gives out energy by heating the surroundings or by light.

Question 4

Word equation

Answer 4

An important sugar that is used as a reactant are written on the left side, There is an arrow pointing from left to right and the names of the products are written on the right side

Question 5

Glucose

Answer 5

An important sugar that is used as a reactant in respiration

Question 6

Alveoli

Answer 6

A small pocket in the lungs in which gases are exchanged between the air and the blood.

Question 7

Breathing

Answer 7

The movement of muscles that makes the lungs expand and contract

Question 8

Bronchi

Answer 8

The trachea splits into two tubes, one goes into the left and the other goes into the right lung

Question 9

Capillary

Answer 9

A thin-walled blood vessel that carries blood from the arteries to veins

Question 10

Cilia

Answer 10

A small hair like structure on the surface of some cells

Question 11

Ciliated epithelial cell

Answer 11

A cell in the tubes leading to and from the lungs that has cillia growing on its surface

Question 12

Diaphragm

Answer 12

An organ containing a lot of muscle tissue which diaphragm contracts and moves downwards to increase the volume of the chest when inhaling causing the lungs to expand

Question 13

Diffusion

Answer 13

When particles spread and mix with each other without anything moving them

Question 14

Gas exchange

Answer 14

When one gas is swapped with another. In the lungs, oxygen leaves the air and goes into the blood. At the same time Carbon dioxide leaves the blood and goes into the air in the lungs

Question 15

Mucus

Answer 15

A sticky liquid produced by certain cells in the body, including some cells found in the tubes leading to and from the lungs

Question 16

Surface area

Answer 16

The total area of all the surfaces of the three dimensional object

Question 17

Trachea

Answer 17

An organ in the shape of a tube that takes air to and from the lungs, also called the windpipe

Question 18

Ventilation

Answer 18

The movement of air in and out of your lungs

Question 19

Anomalous

Answer 19

A measurement that does not fit the same pattern as on their measurements from the same experiment

Question 20

Estimate

Answer 20

And approximate answer, often calculated from a sample or using rounded values

Question 21

Mean

Answer 21

An average calculated by adding up the values of a set of measurements and dividing the total by the number of measurements in the set

Question 22

Range

Answer 22

The difference between the highest and lowest values in a set of data.

Question 23

Artery

Answer 23

A blood vessel that carries blood away from the heart

Question 24

Asthma

Answer 24

A condition in which the tiny tubes leading to the alveoli become narrow and start to fill with mucus

Question 25

Blood vessel

Answer 25

A tube that carries blood around the body

Question 26

Carbon monoxide

Answer 26

A poisonous gas produced by carven burning without enough oxygen, found in cigarette smoke

Question 27

Emphysema

Answer 27

A disease in which the lungs can not take much oxygen out of the air because the walls of the alveoli have broken down

Question 28

Haemoglobin

Answer 28

The substance that carries oxygen in red blood cells

Question 29

Heart attack

Answer 29

When heart muscle cells start to die

Question 30

Heart disease

Answer 30

A disease caused by narrowing of the arteries carrying blood to the muscles of the heart so the heart muscles do not receive enough oxygen

Question 31

Mitochondria

Answer 31

A small structures in the cytoplasm of cells where are aerobic respiration occurs

Question 32

Plasma

Answer 32

The liquid part of the blood

Question 33

Red blood cell

Answer 33

A blood cells that carries oxygen

Question 34

Tissue fluid

Answer 34

The liquid formed when plasma leaks out of capillaries carrying oxygen and food to cells

Question 35

Vein

Answer 35

A blood vessel that carries blood towards the heart

Question 36

Gills

Answer 36

A series of flaps of tissue with a good blood supply just behind the head of an organism and used to take oxygen out of water

Question 37

Hydrogen carbonate indicator

Answer 37

And indicator that is pink in water but turns yellow as carbon dioxide is added and the pH drops

Question 38

Indicator

Answer 38

A substance that changes colour in solutions of different acidity and alkalinity

Question 39

Limewater

Answer 39

A solution of calcium hydroxide. It is clear and colourless but turns milky in contact with carbon dioxide

Question 40

PH

Answer 40

A numerical scale from 1 to 14 showing how acidic or how alkaline a substance is.

Question 41

Photosynthesis

Answer 41

A process that plants use to make their own food

Question 42

Stoma

Answer 42

A tiny hole in a leaf through which gases can diffuse into and out of the leaf

Question 43

Tar

Answer 43

A sticky substance found in cigarette smoke which contains harmful compounds including some that can cause cancer

Question 44

Anaerobic respiration

Answer 44

A type of respiration that does not need oxygen

Question 45

Contract

Answer 45

To decrease or get smaller

Question 46

EPOC

Answer 46

The need for extra oxygen after exercise to break down the lactic acid and replace the oxygen lost from blood and muscle cells

Question 47

Oxygen debt

Answer 47

An older term for EPOC