Circulatory System Flashcards
1
Q
What do we call the muscular organ that is central to the functioning of our circulatory system?
A
Heart
2
Q
Which out of veins and arteries have a thicker muscular layer
A
Arteries
3
Q
What is wider in veins
A
Lumen
4
Q
What do veins have that arteries don’t
A
Valves
5
Q
What is there more of in arteries the in veins
A
Elastic tissue
6
Q
What type of blood can be donatedby anyone and why
A
O- because it doesn’t have any antigens
7
Q
What blood type can be received by anyone
A
AB+
8
Q
Why is it important at O blood types don’t have any antigen
A
This means that the red blood cells aren’t recognised as foreign by the recipient’s immune system and so they are not rejected.
