Answer:
The correct answer will be option-A.
Explanation:
The cardiac cycle of the heart is divided into two phases: contraction (systole) and relaxation (diastole).
The atria and ventricles of the heart contract simultaneously in response to the impulse generated in the SA node. The contraction of the atria and ventricles push the blood or pumps the blood.
The atrial systole pumps blood to ventricles whereas the ventricular systole pumps blood to the body parts.
Thus, option-A is the correct answer.
Answer: true
Explanation: it’ll help (vaccine) protect the immune system to help fight the rabies
Answer:
The correct answer is D.
Explanation:
ADH, <em>also called arginine vasopressin</em> is a hypothalamic hormone (storaged in the posterior pituitary) that <u>regulates body’s osmotic balance</u>.
ADH increases the amount of solute-free water reabsorbed from the one filtrated in the kidneys.
Also, increases peripheral vascular resistance due to the constriction of arterioles, and therefore raises blood pressure.
<u>Ethanol (alcohol)</u> reduces secretion of ADH by blocking voltage-gated calcium channels. As a result, <em>urine volume increases and this may cause dehydration.
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Answer:
are u sure this question is correct
