human developent Flashcards

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0
Q

progressive

A

means the changes are directional, leading toward something positive

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1
Q

developement

A

is the progressive series of changes of an orderly and coherent type toward the goal of maturity.

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2
Q

orderly and coherent

A

suggest that development is not haphazard but rather that there is a definite relationship among the stages in the developmental sequence

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3
Q

heredity

A

is the transmission of traits from parent to offspring.

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4
Q

maturation

A

is the development or unfolding of traits potentially present in the individual due to hereditary endowment

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5
Q

environment

A

refers to factors to which an individual comes to contact with after the hereditary pattern have been received which includes learning

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6
Q

learning

A

is the results of activities or day to day experiences

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7
Q

rate of development
rapid-
slow-

A

during prenatal up to the first six years.

six to adolescence. in adolescence, the rate of development is once more accelerated(mental)

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8
Q

fertilization

A

is the union of egg and sperm cell

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9
Q

chromosomes

A

are thread like tissues that carries the genes, and are usually found in pairs.
there are 23 pairs of chromosomes.

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10
Q

chromosome info

A

chromosomes are classified as autosome or trait chromosome(22 pairs
) and gonosomes or sex chromosomes
. the sex of the offspring depends on the pairing of the sex chromosome(23rd) from the father amd the mother

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11
Q

genes

A

basic carriers of hereditary traits. genes are classified as dominant(strong genes) and recessive(weak genes)

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12
Q

life span

A

development from conception to death

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13
Q

zygote

A

a fertilized ovum(egg cell)

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14
Q

germinal stage

A

the first stage of prenatal development,
during which the dividing mass of cells has not become implanted in the uterine wall
the period from conception to implantation

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15
Q

amniotic sac

A

a sac within the uterus that contains the embryo or fetus

16
Q

placenta

A

a membrane that permits the exchange of nutrients and waste products between the mother and her developing child but does not allow the maternal and fetal bloodstreams to mix

17
Q

umbilical cord

A

a tube between the mother and her developing child through which nutrients and waste products are conducted

18
Q

embryonic stage

A

lasts from implantation until about the eight week of development. during this stage, the major body organ systems take form

19
Q

fetal stage

A

lasts from the beginning of the third month until birth

20
Q

rooting

A

they turn their head toward stimuli that prod or stroke the cheek, chin, or corner of the mouth

21
Q

reflexes

A

are simple, in born responses elicited by simple stimuli. they are essential to survival and occur automatically that is without thinking about them

22
Q

withdrawal reflex

A

new born use the withdrawal reflex to avoid painful stimuli

23
Q

startle or moro, reflex

A

they draw up their legs and arch their backs in response to sudden noises, bumps, or loss of support while being held

24
Q

the grasp or palmar reflex

A

they grasp objects that press against the palm of their hands

25
Q

the babinski reflex

A

they fan their toes when the soles of their feet are stimulated

26
Q

are simple, inborn responses elicited bt specific stimuli

A

reflex

27
Q

refers to the progression from simple acts like lifting the head to runing around

A

motor developement