Answer:
O fight or flight
Explanation:
The duck is afraid of Carol's little brother, even though the duck would almost let him get close
Diseases that can affect the circulatory system include:
Atherosclerosis. Atherosclerosis is a hardening of the arteries. ...
Heart attack. ...
Mitral valve prolapse. ...
Mitral valve regurgitation. ...
Mitral stenosis. ...
Angina pectoris. ...
Arrhythmia and dysrhythmia. ...
Cardiac Ischemia.
Both provide approach to confirming the result of experimentation.
The number of protons,neutrons,electrons, the way the are classified (earth metal, noble gas,meteoroids) and also the way they react.