A the molecule that contains all the instructions for life
HUMAN HAS A HEART WHILE A WORM HAS 5. A WORM DOES NOT WALK WHILE A HUMAN DOES. THEY BOTH ARE ORGANISMS.
First-check scene
second-check the victim
third-call EMS
fourth-first aid
Answer:
Step 1
Superior and Inferior Vena Cava
Step 2
Right Atrium
Step 3
Tricuspid Valve
Step 4
Right Ventricle
Step 5
Pulmonary Semilunar Valve
Step 6
Pulmonary Artery
Step 7
Lungs
Step 8
Four Pulmonary Veins
Step 9
Left Atrium
Step 10
Mitral Valve
Step 11
Left Ventricle
Step 12
Aortic Semilunar Valve
Step 13
Aorta
Explanation:
You listen until you hear S1 and S2, S2 heart sounds clearly and regularly. S2 is produced when the semilunar valves close.
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