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There are 8 stages in human life cycle. A life cycle is defined as the cycle of an organism's growth, reproduction and eventual death. The human life cycle

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Introduction

There are 8 stages in human life cycle. A life cycle is defined as the cycle of an organism's growth, reproduction and eventual death. The human life cycle refers to humankind's journey from the stages of fertilization until the cycle concludes in their deaths. In this cycle human's not only develop in height or weight, they also develop their social, intellectual and emotional skills across their life span. The first stage of human life cycle is conception. Conception is the process of becoming pregnant. Most women ovulate each month; this is when an egg is released by the ovaries. For women with a 28-day menstrual cycle, ovulation typically occurs on day 14. It the 9 months period before the birth, from this period until birth the physical development of body is formed. This includes the development of organs, muscles and skin. Pregnancy is the second stage of human cycle. It is the 9 months period to birth when the embryo and foetus meets and develop. In the first month the sperm meets the egg and by the end of 4 week the eggs get fertilized and become an organized ball of cells and the embryo has implanted into the wall of your uterus. In the second month a baby starts to form by the heart, by the end of week 6 you get to see the heartbeat of the baby. At 8 weeks, the embryo is about a half an inch long with a head, arms and legs and a tail. ...read more.

Middle

As whole body coordination improves, children of this age can now peddle and steer a tricycle. They can also kick a larger ball placed directly in front of their bodies. Childhood (4 - 9 years) is the next stage in the human life cycle. At this stage motor skills begin to become more apparent. Using hands to eat independently with a spoon is a sign of developing fine motor skills. Encourage drawing with a variety of items, such as crayons, paint and chalk, to improve the grasp of an object. Early childhood is still a time of tremendous physical changes. During this period, children's bodies change proportions and they start to look more like adults than babies. Arms and legs stretch to catch up and balance out the head and trunk. Children also begin to lose their "baby fat" as they develop sleeker, straighter bodies with the strong muscles necessary for work and play. During early childhood, children continue to expand their repertoire of physical skills, adding to those that were mastered during infancy. Throughout this stage, girls tend to develop slightly faster than boys. By ages 4 to 9, children can go up and down the stairs alone in the adult fashion (i.e., taking one step at a time). Their running continues to smooth out and increase in speed. Children of this age can also skip and add spin to their throws. They also have more control when riding their tricycles (or bicycles), and can drive them faster. ...read more.

Conclusion

Strength and flexibility in both genders wane. Women usually experience hormonal changes during this period that result in the loss of the ability to reproduce, a process called menopause. Both genders may experience greying of the hair or the hair may thin. Late adulthood is the final stage of physical change. The skin continues to lose elasticity as it did in middle adulthood and the result is deeper lines and wrinkles. Age spots, or brown spots on the skin, often form. Eyesight deteriorates, which causes many seniors to need glasses. Reaction time also slows. In the final stage of human life the age is variable. Body become weaker and the old power they had is no longer existent. Your sense of balance becomes impaired and some have an impairment of mobility. The taste and smell receptors deteriorate, vision can be further impaired particularly because the lens of the eye starts to block the light. This can be forerunner of the cataracts. Night vision is not as good as it used to be. You fail to hear high pitched notes and they become partially deaf. There is a general reduction in the skins sensitivity, so that we are susceptible to burn and hypothermia. This is when the body temperature falls too low. Some people do not realize they are cold and this can be life threatening. The muscles that help pass food down our digestive tract are weaker. Constipation is a common problem the heart is less effective and efficient at pumping the blood around the body, so their bodily tissues do not function properly. ?? ?? ?? ?? SEHRISH JOSEPH Page 1 ...read more.

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