As part of a class activity, a science teacher blindfolded students and then asked them to touch a 3-D model of a cell.

One student felt a thin, flexible layer around the cell. Another student felt an organelle that had the texture of sandpaper. Which organelle did the first student feel? Which organelle did the second student feel?

"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."

answer; the above statement/question is (false);