5023574
Question 1
Question
Platelets are broken up bits of cells
Answer
- True
- False
Question 2
Question
Which of these following statements is incorrect
Answer
-
Cardiac muscles works continuously in response to signals from an area of the heart called pacemaker.
-
Oxygen is carried to cells as oxyhaemoglobin.
-
There are about 10 million red blood cells in one drop of blood.
-
The average-sized adult has 5 litres of blood.
Question 3
Question
A blood clot in the blood vessels of the heart can cause [blank_start]angina[blank_end] and [blank_start]heart attack[blank_end].
Answer
-
angina
-
heart attack
Question 4
Question
A blood contains
Answer
-
Red blood cells
-
White blood cells
-
Platelets
-
Plasma
Question 5
Question
Plasma is a clear yellowish liquid found in the stomach which is 90% water and 10% dissolved materials.
Answer
- True
- False
Question 6
Question
Oxygenated blood means blood rich in oxygen
Answer
- True
- False
Question 7
Question
Three main phases of a heartbeat
Answer
-
The two atria contract, pushing blood down into the ventricles.
-
The heart muscle relaxes and the atria fill with blood.
-
The ventricles contract, forcing blood out of the heart to the body and lungs.
Question 8
Question
[blank_start]Cholesterol[blank_end] is a type of fat that is part of all animal cells. When cholesterol builds up in [blank_start]coronary arteries[blank_end], blood flow to the heart muscles reduced. This also means that oxygen supply is reduced.
Answer
-
Cholesterol
-
coronary arteries
-
capillaries
-
plasma
-
Unsaturated fat
Question 9
Question
The heart has [blank_start]four chambers[blank_end]. Two of them collect blood from the [blank_start]lungs[blank_end] and pump it round the body. The other two collect blood from the [blank_start]body[blank_end] and pump it to the lungs.
Answer
-
four chambers
-
lungs
-
body
Question 10
Question
There are three types of blood vessels
Answer
-
Capillaries
-
Arteries
-
Veins
-
Atria
Question 11
Question
[blank_start]Veins[blank_end] carry blood back to the heart. [blank_start]Arteries[blank_end] carry blood away from the heart. [blank_start]Capillaries[blank_end] are the finest of the blood vessel.
Answer
-
Veins
-
Arteries
-
Capillaries
Question 12
Question
Haemoglobin is a green pigment that gives the colour of plants
Answer
- True
- False
Question 13
Question
[blank_start]Angina[blank_end] is a condition of lacking oxygen to the heart muscle.
Answer
-
Angina
Question 14
Question
There are only about 400 000 [blank_start]white blood cells[blank_end] in a drop of blood.
Answer
-
white blood cells
Question 15
Question
Red blood cells, white blood cells and platelets are condensed in plasma.
Answer
- True
- False
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