Blood Components Flashcards
1
Q
What is the function of red blood cells?
A
To transport oxygen using hemoglobin.
2
Q
What do white blood cells do?
A
Fight infection.
3
Q
What is the role of platelets?
A
To help with blood clotting.
4
Q
What is plasma?
A
The liquid portion of blood that carries nutrients, hormones, and waste.
5
Q
Which white blood cells produce antibodies?
A
Lymphocytes.
6
Q
How does hemoglobin work?
A
It binds to oxygen in the lungs and releases it in tissues.
7
Q
What do phagocytes do?
A
Engulf and destroy pathogens.
8
Q
How are platelets activated?
A
By damaged blood vessels.
9
Q
What is carried in plasma besides nutrients and hormones?
A
Waste products like carbon dioxide and urea.
10
Q
Why are red blood cells biconcave in shape?
A
To increase the surface area for oxygen diffusion.
