Transport Systems In Animals

Question 1

What is blood used for?

Answer 1

Transport substances around body

Question 2

What does blood provide to cells?

Answer 2

Oxygen
Nutrients

Question 3

What does blood remove from cells?

Answer 3

Carbon dioxide
Waste

Question 4

What does blood contain?

Answer 4

Red blood cells
White blood cells
Plasma

Question 5

What is plasma?

Answer 5

Fluid in which the blood cells are suspended (Floating)

Question 6

What does plasma fluid carry?

Answer 6

Nutrients
Carbon dioxide
Waste materials

Question 7

What are white blood cells part of?

Answer 7

Immune system

Question 8

What is the immune system designed to protect the body from?

Answer 8

Pathogens

Question 9

What is a pathogen?

Answer 9

Microorganism which could cause disease

Question 10

What do phagocytes do?

Answer 10

Engulf the pathogen, then break it down using enzymes

Question 11

What is the process of breaking down the engulfed pathogen using enzymes called?

Answer 11

Phagocytosis

Question 12

What do lymphocytes do?

Answer 12

Produce antibodies

Question 13

How do antibodies prevent the pathogen from the rest of the body?

Answer 13

Bind to the surface of pathogen

Question 14

What does oxygen travel around the body in?

Answer 14

Red blood cells

Question 15

What are red blood cells specialised to do?

Answer 15

Transport oxygen efficiently

Question 16

What are some features of a red blood cell?

Answer 16

Small and flexible
Contain haemoglobin
No nucleus
Biconcave shape

Question 17

What is used to carry oxygen in the blood?

Answer 17

Haemoglobin

Question 18

What is produced when oxygen and haemoglobin bind?

Answer 18

Oxyhaemoglobin

Question 19

What is the heart made of?

Answer 19

Cardiac muscle tissue

Question 20

What are the 4 chambers

Answer 20

Right atrium
Left atrium
Right ventricle
Left ventricle

Question 21

What is connected to each chamber?

Answer 21

Blood vessel

Question 22

What does the blood vessel do?

Answer 22

Bring blood to or from heart

Question 23

What do valves do?

Answer 23

Prevent the backflow of blood

Question 24

What does the atrium do?

Answer 24

Receive the blood

Question 25

What does the ventricle do?

Answer 25

Pump blood out of heart

Question 26

Where does the right ventricle pump blood to?

Answer 26

Lungs

Question 27

Where does the left ventricle pump blood to?

Answer 27

Rest of the body

Question 28

How is the muscle tissue of the heart supplied with oxygen?

Answer 28

Through the coronary arteries

Question 29

What are 3 different types of blood vessels?

Answer 29

Artery Vein Capillary

Question 30

What do arteries do?

Answer 30

Carry blood away from the heart

Question 31

Why do arteries have thick muscular walls?

Answer 31

Blood is under high pressure, central channel is narrow

Question 32

What do veins do?

Answer 32

Carry blood towards the heart

Question 33

Why do veins have thinner walls?

Answer 33

Lower pressure blood flow, contain valves to prevent back flow

Question 34

Why do capillaries have very thin walls?

Answer 34

Allow nutrients and gases to be exchanged quickly

Question 35

Why do capillaries form networks at different organs and tissues?

Answer 35

Increase the surface area