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Human Body
Internal and External
| Question | Answer |
|---|---|
| 6.1 Definitions | |
| tissue | is a group of similar cells that work together to perform a particular function |
| organ | is a structure that is made up of two or more types of tissue that work together to carry out a function in the body |
| organ system | is a group of organs that together perform a function that helps the body meet its needs for energy and materials |
| homeostasis | the ability of your body to maintain internal conditions |
| 6.2 Definitions | |
| skeletal system | serves as the anchor for all the body's movement, provides support, and protects soft organs inside the body |
| compact bone | functions as the basic supportive tissue of the body, the part of the body you can call the skeleton |
| spongy bone | is strong but lightweight, it makes up most of the short, flat, and irregular bones found in your body |
| axial skeleton | is the part of the skeleton that forms the axis, it provides support and protection |
| appendicular system | function mainly to allow movement |
| 6.3 Defintions | |
| skeletal muscle | the muscles that are attached to your skeleton |
| voluntary muscles | muscles you can control |
| smooth muscle | perform automatic movement |
| involuntary muscles | muscles you can't control |
| cardiac muscle | moves without counscious control |