22. A sprain is an injury in a joint, caused
by the ligament being stretched
beyond its own capacity. A muscular
tear caused in the same manner is
referred to as a strain.
28. MITRAL VALVE
the valve between the left atrium and the left
ventricle of the heart, consisting of two
membranous flaps, that prevents regurgitation of
blood into the atrium
29. AUTOPSY.
autopsy / təps t p-/N (ˈɔː ɪ ɔːˈ ɒ PL -
sies)Also
called: necropsy, postmortem
examination dissection and
examination of a dead body to
determine the cause of death