Respiration and Circulation

Question 1

What is the name of the area of the heart that on the diagram is in the top left

Answer 1

right atrium

Question 2

What is the name of the area of the heart that on the diagram is in the bottom left

Answer 2

right ventricle

Question 3

What is the name of the area of the heart that on the diagram is in the top right

Answer 3

left atrium

Question 4

What is the name of the area of the heart that on the diagram is in the bottom right

Answer 4

left ventricle

Question 5

what is the name of the part of the heart that on the diagram is the tube that comes out of the top to the left

Answer 5

pulmonary artery

Question 6

what is the name of the part of the heart that on the diagram is the tube that comes out of the top to the right

Answer 6

aorta

Question 7

name the chambers of the heart

Answer 7

L&R atrium, L&R ventricle, aorta, pulmonary artery

Question 8

Name the 4 components of blood

Answer 8

plasma, red blood cells, white blood cells, platelets

Question 9

Which part of blood is a pale yellow liquid?

Answer 9

Plasma

Question 10

Which part of blood clump together to form clots?

Answer 10

platelets

Question 11

What is the red pigment found in red blood cells called and what does it do?

Answer 11

haemoglobin, carries oxygen in red blood cells

Question 12

Which part of blood transports carbon dioxide?

Answer 12

plazma

Question 13

Where does the heart pump blood to?
Right side:
Left side:

Answer 13

Right side: lungs
Left side :around body

Question 14

Name 3 types of blood vessel

Answer 14

arteries, veins, capillaries

Question 15

what are the features of arteries

Answer 15

thick elastic walls, carries blood away from heart at high pressure

Question 16

what are the features of veins

Answer 16

low pressure, carrys blood to heart , valves ,thinner walls

Question 17

what are the features of capillaries

Answer 17

thin walls (1 cell thick) low pressure, narrow, delivers blood to cells

Question 18

Which blood vessels carry blood away from the heart?

Answer 18

arteries

Question 19

Which blood vessels carry blood towards the heart

Answer 19

veins

Question 20

Why do arteries have strong walls?

Answer 20

because the blood is at high pressure

Question 21

What is the coronary artery?

Answer 21

artery that supplys heart muscle with oxygen

Question 22

Why does the heart need its own blood supply?

Answer 22

cardiac muscle needs oxygen

Question 23

Why do arteries have elastic walls?

Answer 23

to come with high pressure

Question 24

How is blood kept moving in the large veins of the legs?

Answer 24

muscle push against veins to help squeeze blood to heart (valves stop blood going backwards)

Question 25

what's the name of the indicator that was used to test respiration

Answer 25

biocarbonate indicator

Question 26

what colours is biocarbonate indicator in what environments

Answer 26

decreased levels of carbon dioxide : purple normal levels of carbon dioxide : dark red/orange increased levels of carbon dioxide : yellow

Question 27

what is plaque made of

Answer 27

cholesterol

Question 28

what is plaque

Answer 28

fatty patches that form inside arteries, they can cause heart disease

Question 29

what are the consequences of heart disease

Answer 29

heart attack