Fagocito

The video explains how phagocytes help protect the body by removing dead cells, waste, and foreign bodies from the bloodstream and tissues. It highlights the role of blood in fighting infections and building immunity, noting that a liter of human blood contains millions of phagocytes.

What is the primary function of phagocytes in the bloodstream?

• To transport oxygen

• To produce hormones

• To remove waste and foreign bodies

• To regulate blood pressure

Which of the following is NOT a role of phagocytes?

• Building immunity

• Fighting infections

• Transporting nutrients

• Removing dead cells

How do phagocytes help in building immunity?

• By increasing blood flow

• By removing harmful pathogens

• By storing nutrients

• By producing antibodies

What is the significance of phagocytes in the immune system?

• They regulate body temperature

• They act as a barrier against infections

• They produce red blood cells

• They store energy

Approximately how many phagocytes are found in 1 liter of human blood?

• Hundreds

• Billions

• Millions

• Thousands