Chapter 17: Lesson 1-4

Question 0

Egg cell

Answer 0

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

Question 1

Fertilization

Answer 1

The joining together of a sperm cell and a egg cell to become one

Question 2

Sperm cell

Answer 2

The cell that enters through the egg cell during fertilization

Question 3

Uterus

Answer 3

A pear shaped organ in the mothers body where the embryo is nourished and protected

Question 4

Embryo

Answer 4

The organism from fertilization to the eighth week of development

Question 5

Fetus

Answer 5

The organism that’s developing from end of eighth week to birth

Question 6

Placenta

Answer 6

Thick rich tissue that lines the walls of the uterus during pregnancy that nourishes the fetus

Question 7

Umbilical cord

Answer 7

A tube that connects the placenta to the fetus

Question 8

Cervix

Answer 8

The entry to the uterus

Question 9

Heredity

Answer 9

The passing of traits from parents to children

Question 10

Chromosomes

Answer 10

Threadlike structures within the nucleus of a cell that have the codes for inherited traits

Question 11

Genes

Answer 11

Basic units of heredity

Question 12

Genetic disorder

Answer 12

A disorder caused partly or completely by defect in genes

Question 13

Environment

Answer 13

Sum total of a persons surroundings

Question 14

Prenatal care

Answer 14

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

Question 15

Birth defects

Answer 15

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

Question 16

Developmental tasks

Answer 16

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

Question 17

Infancy

Answer 17

First year of life

Question 18

Toddlers

Answer 18

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

Question 19

Preschoolers

Answer 19

Children between ages of tree and five

Question 20

Puberty

Answer 20

The time when you start developing physical characteristics of your gender

Question 21

Chronological age

Answer 21

Age measured in years

Question 22

Biological age

Answer 22

Age determined by how well certain body parts are working

Question 23

Social age

Answer 23

Age measured by your lifestyle and how you get along with others