Blood Flashcards
1
Q
Explain two functions of blood (4 marks)
A
Transport oxygen in red blood cells
Carries hormones to target organs
2
Q
State two components of blood (2 marks)
A
Red blood cells
White blood cells
3
Q
Explain the symptoms of leukaemia (6 marks)
A
Cancer in white blood cells
Symptoms caused by fewer red blood cells include: skin looking washed out, tiredness and breathlessness
Caused by reduced platelet count: unusual and frequent bleeding, bone and joint pain
Fewer mature white blood cells: frequent infections
High temp
Swollen glands
4
Q
Describe the structure of capillary’s
A
Leaky walls to allow fluid through
5
Q
Define the structure of veins
A
Valves to prevent blood flow
