The red blood cell count is kept stable despite production of new cells by what?

question 5 options:

blood loss

cell division

programmed cell death

cell differentiation

Programmed cell death

Explanation:

Programmed cell death is also called as apoptosis and refers to the process of aging of cells after certain time. Red blood cells also have definite life span and are subjected to programmed cell death after completion of their life span. The RBCs of blood have a life span of 120 days after which they undergo programmed cell death to keep their total count constant in blood.

the electromagnetic spectrum includes, from longest wavelength to shortest: radio waves, microwaves, infrared, optical, ultraviolet, x-rays, and gamma-rays.

nucleus

would be most reasonable answer tbh