Blood Flashcards
1
Q
Parts of blood
A
Plasma
Red blood cells
White blood cells
Platelets
2
Q
Plasma
A
Liquid part
- transports food + heat
3
Q
Red blood cells (erythrocytes)
A
Transport oxygen Made in bone marrow Contain haemoglobin Broken down in liver + spleen No nuclei + no mitochondria Bioconcave shape
4
Q
White blood cells
Leucocytes
A
Fight infection / defend body
Have nucleus
No definite shape
5
Q
Leukaemia
A
Cancer where white blood cells are produced too rapidly and are immature
6
Q
Lymphocytes
A
25% WBC
Make antibodies
7
Q
Monocytes
A
5%
Engulf and digest bacteria
8
Q
Phagocytes
A
70% WBC
9
Q
Platelets - thrombocytes
A
Formed in bone marrow
Clot blood
10
Q
Human blood groups
A
O
A
AB
B
11
Q
Rhesus factor
A
Blood groups can be rhesus positive or negative , means chemical of Rhesus factor is on the surface of their red blood cells
