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20 questions
What percentage of our blood is made up of plasma?
100%
90%
55%
45%
Who am I?
I am the largest (in size) blood component and have a nucleus. I also act as the protector.
white blood cell
red blood cell
platelet
hemoglobin
The cellular components of the blood is made up of
red blood cells
white blood cells
platelets
haemoglobin
When oxygen combines with haemoglobin in the red blood cells, it will form ___________________
Red blood cells are efficient in carrying oxygen because
it has a large surface area
it has no nucleus
it is red in colour
it is flexible
When someone has low haemoglobin in their blood, or does not have the normal amount of red blood cells, he/she is said to have ______________
Structure 1 is ________
the aorta
pulmonary artery
pulmonary vein
superior vena cava
Structure 7 is _______________.
the aorta
pulmonary artery
pulmonary vein
superior vena cava
Why does structure 5 need to be thicker than structure 4?
to allow blood to be sent to the lungs
to allow blood to be sent to the brain
to allow blood to be sent to all parts of the body
to ensure blood does not flow backwards
What are the two different circulations that go around the human body?
pulmonary & coronary
systemic & coronary
pulmonary & systemic
systematic & cardiovascular
Pulmonary circulation will bring the blood from _________________.
the heart to the lungs
the lungs to the heart
the heart to the lungs and back to the heart
the body to the heart and back to the body
These are considered as blood vessels:
arteries
lymph vessels
capillaries
valves
Blood flowing in the arteries are ____________ and blood flowing in the veins are ________________.
low pressure, high pressure
high pressure, low pressure
high pressure, high pressure
low pressure, low pressure
To overcome the low blood pressure flowing in the veins, they have these structures called _________.
Valves are present in the veins and heart in order to _________.
ensure blood flows away from the heart
ensure one way flow of blood
prevent a mixture of oxygenated and deoxygenated blood
ensure blood flows throughout the whole body
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