Answer:
8: Superior vena cava
13: Aorta
11: Pulmonary valve
10: Left Pulmonary veins
9: Right atrium
12: Left atrium
7: Tricuspid Valve
6:Right ventricle
5: ?
3:Bicuspid valve
4:Chordae tendineae
2:Papillary muscle
1: Interventricular septum
Explanation:
Sorry if it's not right
A strain is an injury to a muscle in which the muscle fibers tear as a result of overstretching.
A. remove contaminants from people and equipment
decontamination: the process of cleaning an object or organism from contaminants and/or hazardous stuff/chemicals
I think rotation?
sorry if it doesn't help i'm not entirely sure