I don't understand what this question is asking (what does it mean by physiology)

Question

Explain the physiology of sickle cell anemia.

Answer 1

Here's the definition of physiology from Dictionary.com.

"1. the branch of biology dealing with the functions and activities of living organisms and their parts, including all physical and chemical processes.
2. the organic processes or functions in an organism or in any of its parts."

The physiology of sickle cell anemia is what causes it and how the various parts come together to make the person sick.

Check this site for information about the physiology of sickle cell anemia.

http://www.nhlbi.nih.gov/health/dci/Diseases/Sca/SCA_WhatIs.html

Answer 2

chromosomal mutation