6. Transport Systems - Animals

Question 1

Blood consists of

Answer 1

plasma, red blood cells and white blood cells.

Question 2

Blood is responsible for transporting

Answer 2

nutrients, oxygen and carbon dioxide around the body.

Question 3

Oxygen is transported in

Answer 3

red blood cells

Question 4

The shape of a red blood cell is

Answer 4

Biconcave

Question 5

Red blood cells contain a protein called

Answer 5

Haemoglobin

Question 6

Red blood cells do not have a

Answer 6

nucleus

Question 7

Haemoglobin combines with

Answer 7

oxygen in the blood (to form oxyhaemoglobin)

Question 8

White blood cells help to destroy

Answer 8

pathogens

Question 9

Phagocytes carry out a process called

Answer 9

phagocytosis

Question 10

Phagocytes engulf and

Answer 10

digest the pathogen

Question 11

Lymphocytes produce

Answer 11

antibodies to destroy pathogens

Question 12

Antibodies are made of

Answer 12

protein

Question 13

The left side of the heart is thicker because

Answer 13

it pumps blood all around the body (and not just to the lungs)

Question 14

The blood on the left side of the heart is

Answer 14

oxygenated

Question 15

The blood on the right side of the heart is

Answer 15

deoxygenated

Question 16

The top chambers of the heart are known as the left and right

Answer 16

atrium (atria = plural)

Question 17

The bottom chambers of the heart are known as the left and right

Answer 17

ventricles

Question 18

The aorta carries blood from

Answer 18

the left ventricle to the body

Question 19

The pulmonary artery carries blood away from

Answer 19

the right ventricle to the lungs.

Question 20

The vena cava carries blood from the body

Answer 20

back to the right atrium

Question 21

The pulmonary vein carries blood from the lungs

Answer 21

back to the left atrium

Question 22

Valves prevent the

Answer 22

backflow of blood

Question 23

The blood vessels that supply the heart with food and oxygen are the

Answer 23

coronary arteries

Question 24

The wall of an artery is made of

Answer 24

thick muscle

Question 25

Blood flows through an artery at

Answer 25

high pressure

Question 26

The wall of a vein is made of

Answer 26

thin muscle

Question 27

Blood flows through a vein at

Answer 27

low pressure

Question 28

Valves are present in veins to

Answer 28

prevent the backflow of blood

Question 29

The wall of a capillary is

Answer 29

only 1 cell thick

Question 30

Capillaries allow the exchange of

Answer 30

gases (eg oxygen & CO2)

Question 31

Oxygen will diffuse from the capillaries in to

Answer 31

cells (to deliver oxygen for respiration)

Question 32

Carbon dioxide will diffuse out of cells and in to

Answer 32

the capillaries (and then it will move to the lungs to be breathed out)