Blood

Question 1

What are the main types of blood cells?

Answer 1

Red Blood Cells (RBCs): Carry oxygen throughout the body.

White Blood Cells (WBCs): Fight infections and foreign invaders.

Platelets: Help with blood clotting to stop bleeding.

Question 2

Where are blood cells produced?

Answer 2

in the bone marrow

Question 3

What is hematopoiesis?

Answer 3

The process of blood cell production in the bone marrow, where stem cells differentiate into specific blood cells.

Question 4

What is the life cycle of a red blood cell?

Answer 4

Made in bone marrow.

Circulates for 120 days.

Destroyed in the spleen.

Question 5

What influences red blood cell production?

Answer 5

Erythropoietin (from kidneys) and low oxygen levels

Question 6

What influences overall blood cell production?

Answer 6

Erythropoietin (EPO) for RBCs.

Colony-stimulating factors (CSFs) for WBCs.

Nutrients (iron, B12, folic acid).