Human Life Cycle Essay Example | Topics and Well Written Essays - 3250 words

Human Life Cycle - Essay Example To be specific, women do not usually develop facial hairs like their male counterparts on their faces as a sign of puberty at common instances (Bolin & Whelehan, 1999). During pre-puberty stages, the development of female body takes place with the initial development of the breasts. It is a common phenomenon among female approaching their adolescence. In the stage of the pre-pubertal development, nipple enlargement occurs with the enlargement of the breasts and enlargement of the projected areola. With the maturity of the female, the breasts develop and the nipple appears to be the second mount. The development of breasts does not take place among males at such an apparent rate though. However, their chests expand as a sign of development at the time of their puberty (Bolin & Whelehan, 1999). In both females and males, the development of pubic hair is quite common. However, for females, the pubic hair grows sparsely along both sides of the labia, wherein with pigmentation, the hairs become coarse and curls as well as spreads to the medial of the thighs. For males, the pubic hair grows below the penis around the testes. The pubic hairs grow in the genital areas for both the sexes as a representation of the secondary sex characteristics (Bolin & Whelehan, 1999). The rate of women fertility is reduced during the late 20s and has a substantiate rate of decrease during the late 30s. Probabilities of pregnancy are high among women who are between the ages of 19-26 years than the women who are in their 30s. The female reproductive system is observed to age faster than any other organs. Even though the average age of menopause is 51 years for women, the reproductive system starts ageing at the age of 20s itself. Observably, there is a gradual as well as the drastic loss of fertility after the age of 35 years in females. Conversely, women maintain a regular ovulatory menstrual cycle even after 40s although the rate of fertility declines at an earlier age