Question

Question 21 2 pts While watching TV last night, the detectives referred to a victim as a stiff. The medical examiner corrected the detective and stated that the proper description is rigor mortis. How does this process occur in the human body? Tissues harden due to a lack of circulation. Blood coagulates in the body causing stiffness. Without ATP, muscles remain fixed in their last state of contraction. With a lack of nerve signals, the body tenses.

Answer 1

0.21 Rigor mortis is due to a biochemical change in the muscles that occurs several hours affer death, myosin molecule adhere to actin filaments and the muscle becomes rigid. et commence after 3-4 hours, reaches maximum stiffness after 12 hours. Hence the victim may died earlier and due to sigor mortis victim is stiff. Hence Correct Answer is = [c] without ATP, muscles Fixed in their last state of contraction. Q. A 19 Correct Answer D Striated appearance Explanation Cardiac and Skeletal muscle are both striated in appearance, while Smooth muscle is not Correct Answer (F) Aerobic metabolism and (E) Arnetobo Anaerobic metabolism Explanation muscle cell can able to produce ATP with called Aerobic respiration and oxygen called Anaerobic respiration. 0. 20 oxygen also without Ox