Answer: Ok Diastole commences with the closure of the aortic and pulmonary valves. Intraventricular pressure falls but there is very little increase in ventricular volume (isovolumetric relaxation). Once ventricular pressure falls below atrial pressure, the mitral and tricuspid valves open and ventricular filling begins.The first heart sound (S1) is produced by vibrations generated by closure of the mitral (M1) and tricuspid valves (T1). It corresponds to the end of diastole and beginning of ventricular systole and precedes the upstroke of carotid pulsation.
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Explanation:
Answer:
Positive feedback
Explanation:
The homeostasis of the body is generally maintained by the feedback mechanism of the body. Two main types of feedback mechanism are positive feedback and negative feedback mechanism.
Positive feedback mechanism may be defined as in which the final product of the reaction or hormone increase the further secretion of that particular hormone. The positive feedback mechanism can exaggerates the effect of the variation from the normal condition of the body.
Thus, the correct answer is option (e).
Answer:
resterilize it
Explanation:
because the floor is dirty and it would no longer be sterilized
