Question

What causes rigor mortis?

A) body position
B) decomposition bacteria
C) carbon dioxide levels in blood
D) chemical changes in muscle cells

Answer 1

The correct answer is D

Answer 2

(D) chemical changes in muscle cells.

Step-by-step explanation:

when glycogen concentration in body diminished, the ATP molecules also depleted. Due to the lack of ATP molecules it is not able to break bridges which are formed. calcium released into cytosol and then muscles are unable to relax causing rigor mortis.