| A | B |
| cell | a unit of structure and function in all living things |
| Van Leeuwenhoek | a Dutch merchant who used a hand lens to see the first protists he called animacules. |
| Hooke | an English scientist who coined the term "cells" when he looked at cork cells |
| Schleiden | a German botanist who said plants were made out of cells |
| Schwann | a German scientist who said cells were the building blocks of both plants and animals |
| Virchow | a German doctor who said that cells are produced by other living cells |
| cell theory | states that all living are made up of cells, they are the basic unit and function in all living things and cells only come from other living cells |
| TEM | a microscope that magnifies up to a million times using high speed electrons |
| superoptical microscope | uses fiber optics to magnify things |
| compound microscope | a microscope with many parts one of which is a light |
| cell membrane | a thin structure that surrounds both a plant and an animal cell, made up of proteins and lipids |
| cell wall | a stiff support for plants that is made of cellulose |
| cytoplasm | all the living material in a cell except the nucleus |
| homeostasis | the ablility of a cell to keep a stable internal environment |
| cellulose | a substance found in a plant's cell wall that is made up of complex sugar molecules |
| nucleus | the control center of a cell |
| nuclear membrane | the protective membrane that surrounds and protects the nucleus |
| organelles | the nucleus and other small parts of a cell |
| microscope | an instrument that allows you to see very small objects |
| mitochondria | the area of the cell that produces energy for the cell |
| ribosomes | make proteins for the cells. some attached to the ED and others float freely in the cytoplasm |
| endoplasmic reticulum | the membranes that form tubes to transport things around the cell |
| golgi bodies | small factories that produce and ship things for the cell |
| lysosomes | have powerful digestive chemicals in the cell |
| vacuoles | storage areas in the cells for water, food, or waste |
| chloroplasts | the organelle that produces chlorophyll |
| chlorophyll | the green substance that traps sunlight to make glucose for the plant |
| culturing | the growing of cells in the laboratory |
| tissue | a group of specialized cells that performs a certain function. Ex: blood |
| organs | tissues that are organized together to perform special functions |
| organ system | a group of organs that work together to perform certain functions |
| organism | the highest level of cell organization that makes a complete species |
| skeletal system | the system that supports the body |
| respiratory system | the system that provides us with oxyen and gets rid of carbon dioxide |
| muscular system | the system that attaches to our bones to enable the body to move |
| skin | a protective layer on the outside of the body that protects us |
| endocrine system | the system that produces chemicals in our bodies for use at certain times |
| reproductive system | the system which allows us to make new organism of the same kind |
| digestive system | the system that breaks down food into nutrients the body can use |
| excretory system | the system that gets rid of wastes that we do not need |
| nervous system | the system that sends signal to the body to make it function |
| pace maker | a small device that is implanted in a person to help them have a regular heart beat. |