Help
Options
Didn't know it?
click below
click below
Knew it?
click below
click below
Don't Know
Remaining cards (0)
Know
retry
shuffle
restart
0:00
Embed Code - If you would like this activity on your web page, copy the script below and paste it into your web page.
Normal Size Small Size show me how
Normal Size Small Size show me how
Gr 7 Science Ch 3
Gr 7 Science Ch 3.3 (Integumentary, Skeletal, & Muscular Systems)
| Term | Definition |
|---|---|
| integumentary system | body system that covers and protects the body |
| skin | organ that covers and protects the body |
| epidermis | top layer of skin |
| melanin | most important pigment that determines skin color |
| dermis | second layer of the skin |
| subcutaneous layer | layer of fat cells just below the dermis; also called hypodermis |
| skeletal system | body system that supports the body and gives it shape |
| marrow | soft, fatty tissue in the porous center of a long bone |
| long bones | none that is longer than it is wide and has enlarged ends |
| short bones | cube-shaped bone |
| flat bones | bones that are relatively flat and usually protect vital organs |
| irregular bone | any bone that does not fit in any of the other three bone categories |
| axial skeleton | division of the skeleton that includes the head, spine, and ribs |
| skull | portion of the skeleton consisting of the cranium and facial bones |
| vertebral colmn | series of vertebrae that cover the spinal cord of a human or a vertebrate animal |
| appendicular skeleton | portion of the skeleton that includes the bones of the appendages and the bones that connect them to the axial skeleton |
| joint | place where two or more bones meet |
| ligaments | any of the strong, tough tissues that connect bones to other bones |
| fracture | break, chip or crack in a bone |
| muscular system | body system responsible for producing movement |
| skeletal muscles | muscle that can be controlled directly with the conscious mind |
| tendons | tough, cord-like structure that attaches a muscle to a bone |
| origin | relatively immovable part of the body to which a skeletal muscle is anchored |
| insertion | movable part of the body to which one side of a skeletal muscle is attached |
| involuntary muscles | muscle that is part of another organ and functions without thought |
| simple fracture | fracture in which the bone remains within the body and does not penetrate the skin |
| compound fracture | fracture in which the bone breaks through the skin's surface |
| sinus | any of the hollow spaces in the skull that help your voice resonate and lighten the skull |
| adipose tissue | fat tissue |
Created by:
mbrennan262
Popular Science sets