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science vocab
science vocab on skeletal, muscular, integumentary, respiratory systems
| Question | Answer |
|---|---|
| skeletal system | bones, cartilage, and the structures that connect bones to cartilage. |
| compact bone | the bone tissue that does not have any visible open spaces. |
| spongy bone | bone tissue that has many open spaces. |
| cartilage | the flexible tissue beneath your skin. |
| joint | the place where two or more bones connect. |
| osteoblasts | bone is made of connective tissue and minerals that are deposited by living cells. |
| marrow | bones contain soft tissue.(inside bone) |
| muscular system | made up of muscels and connective tissue that attaches the muscle to the bnes. |
| smooth muscle | one of three types of bone in its system and moves food through the digestive system. |
| cardiac muscle | one of three types of muscle in its system and pumps blood around your heart. |
| skeletal muscle | one of three types of muscle in its system that is attached to your bones for movement, and enables bones to move. |
| voluntary musle control | muscle action that is under your own control. |
| involuntary muscle control | muscle action that is not under your own control. |
| tendons | connect your skeletal muscles to your bone. |
| flexor | when a muscle bends part of your body. |
| extensor | when a muscle straightens part of your body. |
| tendinitis | when a damaged tendon becomes inflamed as your body tries to repair itself. |
| integumentary system | your skin, nails and hair make up this system. it also keeps your body healthy. |
| sweat glands | make sweat. |
| melanin | in the upper layer of the skin and determines skin color. |
| epidermis | the thinner layer of skin. |
| dermis | the deeper, thicker layer of skin. |
| keratin | helps make the skin tough. |
| collagen | the dermis has fibers made of protein and that protein is this word. |
| blood vessel | transport substances and help regulate body temperature. |
| nerves | carry messages to and from the brain. |
| hair follicles | in the dermis produce hairs. |
| muscle fibers | attached to a hair follicle can contract and cause the hair to stand up. |
| oil glands | release oil that keeps hair flexible and helps waterproof the epidermis. |
| nail roots | under the skin at the base and sides of nails. |
| respiratory system | a collecton of organs whose primary function is to take in oxygen and expel carbon dioxide. |
| nose | primary passage-way into and out of the respiratory system. |
| pharynx | the upper peotion of the throat. |
| eppiglottis | a structure that hangs at the entrance of the larynx and prevents food from entering the larynx and the trachea while swallowing. |
| larynx | your voice box. |
| trachea | your windpipe. |
| bronchi | two tubes that split the trachea. |
| branchioles | thousands of tiny tubes that branch off of the bronchi and go to the lungs. |
| alveoli | tiny air sacs. |
| diaphragm | a dome-shaped muscle underneath the lungs. |
| lungs | the central organ of the respiratory system in which oxygen from the air is exchanged with carbon dioxide from the blood. |
Created by:
MadelynI
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