Blood Flashcards
1
Q
What four things is blood made of?
A
Red blood cells, white blood cells, platelets, plasma.
2
Q
Which type of cell fights infection?
A
White blood cells.
3
Q
Which two types of white blood cells are involved in the body’s immune system?
A
Phagocytes - engulf and digest pathogens
Lymphocytes - make antibodies