Blood Flashcards
(8 cards)
1
Q
What is blood
A
Fluid that is transported through the pumping action of the heart via blood vessels
2
Q
How much blood is in the average adult human
A
5-7 Litres
3
Q
What is blood for
A
- Transports nutrients and wastes
Regulates body temperature
Protects the body
4
Q
What are the 4 components of blood
A
Plasma
White Blood Cells (WBCs)
Red Blood Cells (RBCs)
Platelets
5
Q
What is Plasma
A
- Water component of blood (90% water)
- Clear yellow fluid
- Carries bloods cellular components
- 55% of blood
6
Q
What are Red Blood Cells
A
- Gives blood its red colour
- Carries oxygen around the body and removes C02
- 45% of blood
7
Q
What are White Blood Cells
A
- Makes up less than 1% of blood
- Moves to infection sites and destroys bacteria and disease causing organisms
8
Q
What are Platelets
A
- Makes up less than 1% of blood
- Produced in bone marrow
- Clots damaged blood vessels to prevent blood loss
