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20 questions
Blood vessel N is
An artery
A vein
A capillary
Blood vessel M carries blood at
High pressure
Low pressure
Moderate pressure
This blood vessel carries blood away from the heart
L
M
N
This blood vessel carries blood toward the heart
L
M
N
This blood vessel carries blood to individual cells of the body
L
M
N
Which of the following comparison is INCORRECT?
Arteries carry low pressure blood while veins carry high pressure blood
Arteries have thick walls while veins have thin walls
Arteries accommodate rapid blood flow while veins accommodate slow blood flow
Multicellular organisms have a developed transport system because
They have a large surface area to volume ratio
They have a small surface area to volume ratio
Their bodies are large enough to accommodate transport systems
The following are characteristics of red blood cells EXCEPT
They contain haemoglobin
They fight diseases
They do not contain a nucleus
The main function of red blood cells is to
Fight diseases
Transport heat to body cells
Carry oxygen to body cells
The four components of blood are
Plasma, red blood cell, white blood cell, platelets
Water, red blood cell, white blood cell, plasma
Platelet, red blood cell, white blood cell, oxygen
The wall of chamber D is thicker than the wall of chamber B because chamber D has to
Pump deoxygenated blood
Withstand more pressure
Pump blood greater distances
The blood vessel K transports blood
To the body
From the body
To the lungs
The blood vessel J transports blood
To the body
From the body
To the lungs
Structure H is the
Bicuspid valve
Tricuspid valve
Semi-lunar valve
Chambers A and C of the heart are represented are collectively called
Ventricles
Atrium
Atria
This letter represents the structure which prevents oxygenated blood from mixing with deoxygenated blood inside the heart.
F
G
E
These structures prevent the back flow of blood in the heart
H, G, E
F, J, K
I, L, G
Structure B is the
Right ventricle
Left ventricle
Right atrium
The blood flowing through the left side of the heart is
Deoxygenated
Oxygenated
Purified
Which sequence represents normal blood flow
A
B
C
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