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Human lifespan and development

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Introduction

Unit 4 - Life Span Development Physical Growth & Development Conception This happens when a male and female engage in unprotected sexual intercourse. During sexual intercourse the man will in time ejaculate, releasing semen into the woman's vagina. They then travel up the cervix and into the endometrium (uterus) towards the egg. At this time the women is hopefully at her fertility period of her menstruation cycle. One sperm then burrows itself into the egg. This process is called fertilisation. The woman is technically now pregnant. Pregnancy A fertilised egg (zygote) begins to divide itself. First into two cells then four then eight etc until it becomes a ball of small cells called a blastocyst. The embryo must then bury itself in the uterus before the next menstruation to release a hormone if not the embryo will be flushed out of the body with other waste products during the bleeding period of the cycle. By five weeks the embryo has started developing a brain, heart, eyes, ears and limbs. At eight weeks all major organs have been formed and the foetus has now got a human-looking face with finger toes. The body is now 3cm. Early Childhood - Babies A newborn baby (neonate) is a helpless individual that needs care and protection from parent or others to survive. The digestive, nervous & immune system has not yet developed properly (that is why it is advised to give your baby breast milk for the first month or so because it contains contents that can help the baby's immune system). ...read more.

Middle

This helps reduce the effects of the menopause. Men also go through a similar process called male menopause but their testosterone levels only reduce. Later Adulthood As the body ages it loses it sensitivity to cold. Older people are more likely to get hypothermia in the cold weather. Blood capillaries become more fragile, this increases bruising. Breathing and circulation system becomes less efficient causing difficulty with stairs and hills. Focusing power of the eye weakens from 45 years by the age of 65 there is little focus left in eye. A number of nerve cells in the Central Nervous System gradually decreases (these are irreplaceable). This results to loss of memory, difficulty in learning new skills and their senses become less acute. Presbyocusis is known as the progressive loss of hearing which comes with aging. Social Development Early Childhood - Babies Babies have an innate desire to build an emotional bond with their caregiver which later helps them process in life socially and intellectually. Many psychologists believe that bonding is vital for the child's well - being and any child that rejects to build that mutual bond will ding a lot of difficulties in relationships later on in life. At two months a baby are able to recognise their caregivers smell voice and face. They are able to respond to what the caregiver says or their caregivers' facial expressions. Babies also learn how to attract attention by smiling or making noises. Later Childhood - Infants This social development is known the primary socialisation. ...read more.

Conclusion

Between the ages of 2 and 7 years children learn how to count and recite their alphabets. From the ages of 7 to 10 children can only understand logic when they can see what is involved, (for example if Sophie has 20 sweet and Tanya has 10 sweets less how much does Tanya have?) rather than younger children who look at what looks alike rather than the logic. For example they will say that there are more toys that are in a line rather than the toys in a heap. Adolescents Teenagers are able to imagine their future and how they wish to achieve it. Teenagers are able to reason in an adult way but they don't have enough experience to always make the right decisions. They also continue to develop their problem - solving skills during adulthood. Early Adulthood & Middle Age Practical skills and abilities maybe increased during adulthood if they are exercised. Reactions start to decrease in older adults but knowledge can balance out the reaction decrease because they can use their knowledge in different aspects in their work. Older adults are also better at problem - solving than the young ones. Older adults are also considered as wise. Later Adulthood In later life some older people who have lived a good life and have exercised their minds don't find difficulty in solving problems and coping with intellectual challenges and continuing learning new things. But with older people who are suffering from Alzheimer's disease experience difficulty in learning new things, remembering things and even with every day necessities like getting dressed. ?? ?? ?? ?? Deauval wallace ...read more.

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