Mammalian red blood cells:

A) are phagocytic.
B) contain a lobed nucleus.
C) have a one-day lifespan.
D) are produced in the liver.
E) are produced in response to erythropoietin.

Mammalian Red Blood Cells

Mammalian red blood cells are biconcave, disk-shaped cells that carry oxygen from the lungs to the body's tissues and remove carbon dioxide, lacking a nucleus when mature.

Phagocytic

Pertaining to cells that have the ability to engulf and absorb particles or other cells through a process called phagocytosis, key for immune defense.

Lobed Nucleus

A characteristic of certain white blood cells, where the nucleus is divided into several connected lobes, often seen in neutrophils.