Blood Flashcards
1
Q
What is the blood made of?
A
plasma, platelets, red blood cells, white blood cells
2
Q
what does the plasma carry?
A
urea, carbon dioxide, heat, hormones, digested food
3
Q
what is the role of the red blood cells?
A
carry oxygen to respiring cells
4
Q
what is the role of platelets?
A
clot blood to prevent excess loss
5
Q
what are the components of the white blood cells?
A
phagocytes, lymphocytes
6
Q
what do phagocytes do?
A
engulf and digest pathogens
7
Q
what do lymphocytes do?
A
produce antibodies to fight pathogens