Respiration

Question 1

What digested food is needed for

Answer 1

Glucose needed to make energy through respiration

Question 2

Know how energy is released in the body

Answer 2

Respiration:glucose +Oxygen->carbon dioxide +water(energy)

Question 3

What substance is used as the main energy resources in the body

Answer 3

Glucose -digested carbohydrates

Question 4

Similarities burning and respiration

Answer 4

• Both react with oxygen
• both release some energy as heat
• both produce carbon dioxide and water

Question 5

Differences between burning and respiration

Answer 5

• burning uses fuel
• burning is quicker than respiration
• burning does not happen in the body

Question 6

How oxygen gets into blood and how it is transported around body

Answer 6

Oxygen gets Into the blood via the alveoli the oxygen from the air is exchanged with carbon dioxide from the blood
Oxygen is transported around the body in the red blood cells

Question 7

What system the heart and blood vessels belong to

Answer 7

Circulatory system

Question 8

Know what the differenct blood vessels in the body are

Answer 8

Arteries-carry blood away from the heart
Veins-carry blood to the heart
Capillaries-tiny blood vessels that supply your organs and cells with oxygen and take away carbon dioxide

Question 9

Exercise affects pulse rate and breathing rate

Answer 9

More exercise =increased breathing and pulse rate
Breathing rate is how many breaths you do in a minute
Pulse=indication of heart rate

Question 10

How does the body get rid of carbon dioxide

Answer 10

Exhalation breathing out

Question 11

What happens in aerobic respiration

Answer 11

Aerobic respiration uses oxygen and it makes more energy
Oxygen +glucose->carbon dioxide +water(+energy)
Anerobic doesn’t use oxygen just glucose and makes lactic acid
Glucose->lactic acid +energy

Question 12

How oxygen and digested food get from the blood to the cells that need them

Answer 12

Glucose gets into blood the blood through the small intestine absorbed into villi

Question 13

Know what happenes when you breathe inhalation

Answer 13

Inhalation:ribs move up and out diaphragm moves down (contracts) air moves into lungs and causes them to inflate

Question 14

What happens when you breathe exhalation

Answer 14

Ribs move in and down diaphragm moves up (relaxes) air goes out of the lungs causing them to desínflate

Question 15

How lungs are adapted to their job

Answer 15

They have millions of alveoli sacs that increase the surface ares

Question 16

What gases get into and out of the blood

Answer 16

Gas exchange in the alveoli into the capillaries into the red blood cells

Question 17

How are the lungs kept clean

Answer 17

Cilio cells in trachea and bronchi that have tiny hair on them
Dust and bacteria get trapped by the mucus(produced by goblet cells) and the cilia move the mucus out of the wind pipe

Question 18

Difference between inhaled and exhaled air

Answer 18

Inhaled air contains more oxygen than exhaled air

Exhaled air contains more carbon dioxide

Question 19

How to detect water vapour

Answer 19

More carbon dioxide in exhaled air more water vapour in exhaled air

Question 20

What limewater is used to test for

Answer 20

Carbon dioxide-milky or cloudy

Question 21

Detect differences between inhaled and exhaled air

Answer 21

Testing for oxygen glowing splint relights

Question 22

Effects of smoking on the lungs and circulatory system

Answer 22

tar-causes cancer
Nicotine-very addictive
Carbon monoxide-replaces oxygen in red blood cells