Use LEFT and RIGHT arrow keys to navigate between flashcards;
Use UP and DOWN arrow keys to flip the card;
H to show hint;
A reads text to speech;
15 Cards in this Set
- Front
- Back
cell
|
the basic unit of structure and function in living things.
|
|
microscopic
|
cells that can only be seen with a microscope.
|
|
organism
|
any living thing that maintains with life processes.
|
|
cell membrane
|
every cell surrounded by a thin covering
|
|
nucleus
|
the nucleus dierects all of a cell's activities including reproduction.
|
|
cytoplasm
|
a jellylike material that contains chemicals that help keep a cell healthy.
|
|
protist
|
a simple organism with a nucleus and organisms.
|
|
tissue
|
cells that work together to perform a certain function.
|
|
organ
|
several kinds of tissue working together for the same function.
|
|
organ system
|
organs that work together to do a job for the body.
|
|
digestive system
|
it breaks down into chemical nutrients that body cells need for energy, growth, and repair.
|
|
circulatory system
|
it is made up of the heart , the blood vessels, and the blood.
|
|
respiratory system
|
a group of organs and tissues that exchange oxygen and carbon dioxide between your body and the enviroment .
|
|
nervous system
|
enables you to sense your enviroment and react to it.
|
|
excretory system
|
when wastes are removed from the body.
|