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Becca's Science Ch 1
Science Chapter 1
| Question | Answer |
|---|---|
| the basic unit of structure and function of living things. | cell |
| the part of a cell that directs all of the cell's activities | nucleus |
| Which organelle directs a cell's activities? | nucleus |
| Which is found only in planet cells? | cell wall |
| Name three things that are different about plant cells. | chloroplast, has a cell wall |
| Name three things that are different about animal cells. | no chloroplast, does not have a cell wall |
| a group of cells that work together to perform a certain function | tissue |
| a group of tissues that work together to perform that certain function | organ |
| the organ system that turns food into nutrients that body cells need for energy, growth, and repair | digestive system |
| Which type of tissue forms bones, tendons, and ligaments? | connective tissue |
| Most of your body mass is what kind of tissue? | muscle |
| What is the liquid part of blood called? | plasma |
| What is the order of how cells form into systems, starting with the most basic. | cells, tissue, organ, system |
| the heart, blood vessels,& blood | circulatory system |
| a group of organs and tissues that exchange organ carbon dioxide | respirator system |
| the bones that give the body structure | skeleton system |
| the muscles &tendons that move bones | muscular system |
| the system that direct activities of all other body system | nervous system |
| which type of muscle form's the wall of the heart,voluntary or invluntary | invluntary |
| central nervous system is made up of the brain and spinal cord | part 1 |
| peripheral nervous system is made up of sensory organs such as your eyes and ears | part 2 |