Explain the type of behavior involved when the bell rings at the end of class

Conditioning is the type of behavior involved when the bell rings at the end of class. Conditioning is a behavioral process in which a given stimulus or signal (such as a bell) becomes more frequent and effective in causing the manifestation of a desired response in a given environment.

what subject is this

"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."