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18 Cards in this Set

  • Front
  • Back
  • 3rd side (hint)
The basic unit of life; smallest thing that can be called "alive".
What is a Cell?
p. 16
All living things are made up of these.
An instrument scientists use to magnify small things or make them appear larger.
What is a Microscope?
p 16.
First invented by Anton Van Leeuhenhoak to see microscopic organisms
A special device of scientists that uses beams of tiny particles instead of light to improve magnification while reducing blurriness of images.
What is an Electron Microscope? p. 16
uses electrons to produce magnified images for observation and study
Tiny structures within cells that perform special function in the cell.
What is an Organelle?
p. 17.
specialized cell part that functions like an organ
A mixture in which the particles are evenly mixed.
What is a Solution?
p. 20
ex. Vinegar is a _______ of acetic acid dissolved in water.
A sugar or starch, which living things use for energy.
What is a Carbohydrate?
p. 21
Organic compound made of carbon, hydrogen, and oxygen that provides nutrients to cells of living things.
Groups of cells that are similar & act together to do a certain job.
What are Tissues?
p. 17
ex. skin cells work together to protect and cover the human body as a _________.
A group of different tissues that work together to perform a certain job.
What is an Organ?
p. 18.
Ex. small intestine, heart, lungs, liver, etc.
Chemicals that store large amounts of energy in the body.
What are Fats?
p. 21.
compounds that store much energy such as butter, cooking oils, & salad dressings.
Chemicals used by living things to build & repair body parts & regulate body activities.
What are Proteins?
p. 22.
These make up bone, muscle & skin tissues and are found in meats, eggs, fish, nuts, & chicken.
Chemicals found in foods that are needed by living things in small amounts.
What are Minerals?
p. 22.
Nutrients needed to form cell parts including chemicals like iron, calcium, magnesium, iodine, & sodium.
Chemicals found in foods needed in small amounts by living things for growth & tissue repair of body
What are Vitamins?
p. 22.
chemical compounds including A-retinol, B1 - thiamine,
B2 - riboflavin, B3 -niacin
C -ascorbic acid, D -calciferol.
Chemicals found in foods that are needed by living things.
What are Nutrients?
p. 22.
Six _______ include fats, carbohydrates, vitamins, minerals, & water.
The process by which living things release energy from food.
What is Respiration?
.p. 23.
The body system which exchanges gases bringing oxygen into the blood and getting rid of carbon dioxide.
The process by which living things break down their food.
What is Digestion?
p. 23.
Changes injested food physically and chemically so its nutrients can be absorbed and used by the cells.
The process by which living things get rid of body wastes.
What is Excretion?
p. 23.
This system gets rid of liquid wastes (urea) with two kidneys, ureters, and a urethra by filtering urea from the blood.
The changes that occur as a living thing (organism) grows.
What is Development?
p. 24.
baby to infant to toddler to child to adolescent to young adult to middle age to elderly is the process of human ___________.
The process by which living things produce offspring.
What is Reproduction?
p. 24.
requires male and female genital organs and sexual intercourse in humans to create offspring naturally but can also be done in a test tube or by cloning.