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year 10 Science Homework Week 2
By Naomi Arthur
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Last updated over 4 years ago
18 questions
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Question 18
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The system for pumping blood within the body is called the…
Dual circulatory system
Bi-circulatory system
Double circulatory system
Why are there two phases to blood being pumped around the body?
Blood first needs to go to the lungs for gas exchange before sending the blood to the rest of the body
The body is large so it needs two phases in order to the blood to reach everywhere
Blood needs to go to the lungs for respiration and then to the rest of the body for gas exchange
The blood that is pumped
from the heart to the lungs
is…
Oxygenated
Deoxygenated
The blood that is pumped
from the lungs to the heart
is…
Oxygenated
Deoxygenated
Select the correct statement
Veins transport blood to the heart and arteries transport blood away from the heart
Arteries transport blood to the heart and veins transport blood away from the heart
Whether veins or arteries transport blood or away from the heart depends on whether the blood is going to the lungs or the body
For the following questions determine whether they refer to an artery, vein or capillary
Transport blood away from the heart
Artery
Vein
Capillary
For the following questions determine whether they refer to an artery, vein or capillary
Have a high pressure
Artery
Vein
Capillary
Have a wide lumen
Artery
Vein
Capillary
Contain valves
Artery
Vein
Capillary
Surround cells to exchange nutrients such as oxygen and glucose
Artery
Capillary
Vein
Is blood an organ system, organ, tissue or cell ?
Organ system
Organ
Tissue
Cell
What are the four main components of blood?
Plasma, white blood cells, red blood cells and platelets
Capillaries, oxygen, carbon dioxide and glucose
Plasma, oxygen, carbon dioxide and red blood cells
What is the role of the plasma?
To suspend substances
To be made up of mainly water
Carry dissolved substances around the body
What does CHD stand for?
Coronary heart disorder
Capillary heart disease
Coronary heart disease
Coronary heart dysfunction
Coronary arties are small blood vessels that branch out of the ______ and go into the heart muscle?
Aorta
Vena cava
Capillaries
Which part of the coronary artery is affected in coronary heart disease?
Vessel walls
Lumen
Valves
What is the result of fatty material building up inside the coronary arteries?
Lumen narrows which reduces blood flow resulting in lack of oxygen to the heart muscle
Coronary arties become larger to accommodate fatty materials which puts pressure onto heart muscle leading to heart attack
Coronary arties become larger to accommodate fatty materials which puts pressure onto heart muscle leading to heart attack
What are treatments for coronary heart disease?
Biological or mechanical valve replacement
Mechanical valve replacement
Stents
Statins