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