In most people, a systolic bp of is sufficient to perfuse the brain and other vital organs.

80 – 90 mm Hg.

Explanation:

Blood pressure may be defined as the pressure exerted on the walls of hearts during the blood flow. The maintenance of the blood pressure is important for the proper functioning of the body.

Systolic blood pressure is pressure exerts during the heart contraction. This is the arterial pressure during the contraction of the especially left ventricles of the heart. The sufficient systolic blood pressure of the body that are sufficient for the body is 80 – 90 mm Hg.

Thus, the answer is 80 – 90 mm Hg.

every el niño cycle is different. every year.

"menstrual cycle is a complex cycle that consists of several processes. order of occurrence of steps in menstrual cycle are as follows:

1. high progesterone levels maintain the endometrium lining of the uterus.

2. endometrium lining breaks down and low levels of estrogen stimulate the pituitary to release fsh and lh.

3. fsh and lh stimulates the follicles to develop and the oocyte to produce estrogen.

4. rising estrogen levels suppress fsh production and development of other follicles.

5. a spike in lh causes follicle to rupture.

6. a breakdown of corpus luteum causes progesterone level to drop."