Lessons 1-4 Flashcards

0
Q

The reproductive cell from the female that joins with a sperm cell to make a new life

A

Egg cell

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1
Q

The joining together of a male sperm and a female egg cell

A

Fertilization

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2
Q

The cell from the male that enters the egg cell during fertilization

A

Sperm cell

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3
Q

A pear-shaped organ inside a females body where the embryo is protected and nourished

A

Uterus

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4
Q

Is the developing organism from fertilization to about the eighth week of its development

A

Embryo

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5
Q

The developing organism from the end of the eighth week until birth

A

Fetus

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6
Q

A thick, rich tissue that lines the walls of the uterus during pregnancy and that nourishes the fetus.

A

Placenta

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7
Q

A tube that connects the mothers placenta to the fetus

A

Umbilical cord

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8
Q

The entry to the uterus

A

Cervix

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9
Q

Is the passing of traits from parents to their children.

A

Heredity

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10
Q

Threadlike structures found within the nucleus of a cell that carry the codes of inherited traits

A

Chromosomes

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11
Q

The basic units of heredity

A

Genes

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12
Q

A disorder caused partly or completely by a defect in genes

A

Genetic disorder

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13
Q

The sum of a persons surroundings

A

Environment

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14
Q

Steps taken to provide for the health of a pregnant female and her baby

A

Prenatal care

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15
Q

Abnormalities present at birth that cause physical or mental disability or death

A

Birth defects

16
Q

Events that need to happen in order for you to grow toward becoming a healthy, mature adult

A

Developmental tasks

17
Q

The first year of life

A

Infancy

18
Q

Children between the ages of one and three who are learning to walk and talk

A

Toddlers

19
Q

Children between the ages of three and five

A

Preschoolers

20
Q

Is the time when you start developing physical characteristics of adults of your gender

A

Puberty

21
Q

Age measured in years

A

Chronological age

22
Q

Age determined by how well various body parts are working

A

Biological age

23
Q

Age measured by your lifestyle and the connection you have with others

A

Social age