Heart

Question 1

3 ways lungs are adaptive for gas exchange

Answer 1

Huge surface area
Lots of capillaries
One cell thick

Question 2

Normal oxygen saturation

Answer 2

95% to 100%

Question 3

Life threatening oxygen saturation

Answer 3

Below 70%

Question 4

Resperation

Answer 4

The release of energy from food

Question 5

Aerobic resperation

Answer 5

Uses up oxygen

Question 6

2 things needed for aerobic respiration

Answer 6

Oxygen and glucose

Question 7

Release of oxygen during cellular respiration

Answer 7

C6 H12 O6+ 6 O2 —> 6 CO2 + 6H2O atp

Glucose + oxygen —> carbon dioxide + water

Question 8

Glucose comes from…

Answer 8

The digestive system

Question 9

Oxygen comes from

Answer 9

Lungs

Question 10

We get rid of carbon dioxide from

Answer 10

Exhaling

Question 11

Smoking causes

Answer 11

Cancer and emphysema

Question 12

Emphysema

Answer 12

Alveoli become dry and brittle until it eventually ruptures

Question 13

Cancer’s

Answer 13

CO2 affects the CO2 diffusion gradient

Carcinogenic chemicals can trigger Tumors

Toxic nicotine paralyzed cilia which normally clean the lungs

Question 14

How much blood is in the human body

Answer 14

5.6 litres

Question 15

Cystic fibrosis

Answer 15

Mutation of a single gene which controls salt balance in the lungs

Question 16

Cardiac muscles on walls of heart

Answer 16

Myocardium

Question 17

Myocardium

Answer 17

Walls of heart are made up of it

Only found in heart

Never tired but can’t handle lack of CO2

Question 18

Pericardium

Answer 18

Encloses the heart

Question 19

Pericardial fluid

Answer 19

In between heart and pericardium to aid movements

Question 20

Valves

Answer 20

Prevent back flow of veins

Question 21

Septum

Answer 21

Separates oxygenated blood and non oxygenated blood

Question 22

Siptolic

Answer 22

Phase in the heart where it contracts

Blood pressure rises

Question 23

Diastolic

Answer 23

Heart releases

Blood pressure falls

Question 24

Things that raise blood pressure

Answer 24

Full bladder
Talking
Alcohol
Caffeine
Smoking

Question 25

Arteries

Answer 25

Thick elastic walls to withstand high blood pressure Take blood away from heart

Question 26

Capillary

Answer 26

Allow food and oxygen to pass into body cells and allow waste products out One cell thick

Question 27

Veins

Answer 27

Take blood to heart Thinner valves than arteries Valves prevent back flow

Question 28

Red blood cells

Answer 28

Carry oxygen and nutrients

Question 29

White blood cells

Answer 29

fights off diseases

Question 30

Plasma

Answer 30

Proteins carry oxygen and nutrients

Question 31

Platelets

Answer 31

Heal wounds and clots blood

Question 32

Sickle cell anemia

Answer 32

Deformed red blood cell can’t carry enough oxygen

Question 33

Hemophilia

Answer 33

Blood doesn’t clot properly

Question 34

Scientific name for red blood cells

Answer 34

Erythrocytes

Question 35

Erythrocytes

Answer 35

Red blood cells

Question 36

White blood cells

Answer 36

Phalagocytes Lymphocytes

Question 37

Phalagocyte

Answer 37

White blood cell

Question 38

Lymphocytes

Answer 38

White blood cells