Science 4 Flashcards
it is formed when a female’s egg cell and a male’s sperm cell combine.
zygote
a cell from the mother and is responsible for producing a baby.
egg cell
a cell from the father and is responsible for producing a baby
sperm cell
what do you call the process where and egg cell and sperm cell combine?
fertilization
what do you call a high-frequency sound wave that is used to create images of organs and systems in the body.
ultrasound
what do you call people who are 0-1 yr old
infancy
what do you call people who learns to be independent as they begin to do things on their own, such as walk, drink, eat, sleep, play, and explore their surroundings?
toddler
what stage of life when 3-12 years old learn how to be responsible and goes to school to learn.
childhood
what stage of life where many physical changes happen. It is when boys begin to develop and show the characteristics of men, and girls begin to exhibit the characteristics of women
adolescence
the period when young people experience many physical changes and reach sexual maturity.
puberty
what do you call people who are ages 13-17
teenagers
what stage of life is considered the end of adolescence
adulthood
what do you call the last stage of a human’s life?
old age
what do you call the process of transformation from an immature form to an adult form and consists of two or more different stages.
metamorphosis
what do you call the force produced when two surfaces rub against each other.
friction