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6 Health Ch 3-4 Test
| Term | Definition |
|---|---|
| adrenal glands | emergency energy boosters |
| aerobic | kind of exercise that increase the ability of the cardiovascular system to transport and process oxygen |
| alveoli | tiny air sacs in your lungs |
| body | where the systems perform their duties and are viewed as a whole |
| cartilage | tough, solid tissue that forms the joints |
| cell membrane | the portion which surrounds & protects the other portions of the cell |
| cells | living units made up of three basic parts: the cell membrane, the cytoplasm, and the nucleus |
| chromosomes | rightly coiled strands of chromatin which contain DNA |
| cytoplasm | thick fluid inside a cell |
| diaphragm | major breathing muscle in your body |
| flat bones | bones that usually have the important job of protecting vital organs |
| gonads | reproductive glands |
| hormones | chemical messengers |
| insertion | end of a muscle that is pulled toward the origin |
| islets of Langerhans | groups of cells found in the pancreas; they are the sugar supervisors |
| long bones | bones that support the weight of your body and work with your muscles to provide movement |
| metabolism | the process which converts food to energy to help you work and play |
| muscle tone | the muscle's ability to maintain a slight contraction, keeping the muscle firm |
| nucleus | controls every function in the cell |
| organelles | tiny organs that perform chemical reactions and functions in the cell |
| organs | similar tissues that are grouped together |
| origin | point at which a muscle is fixed to an immovable part of the body |
| pineal gland | serves as an alarm clock to the body |
| pituitary gland | a tiny structure (about the size of a pea) located at the base of the brain; secretes hormones that control other endocrine glands; the master gland |
| placenta | functions as a kidney, lungs and intestines for the unborn baby |
| plaque | fatty deposit that restricts blood flow in an artery |
| short bones | bones that are usually nearly equal in length and width |
| systems | groups of organs performing similar tasks |
| thymus gland | gland that stores undeveloped white blood cells until they mature completely |
| thyroid gland | located in the front of the neck; chemical reaction controller |
| tissues | groups of similar cells |
| umbilical cord | lifeline of oxygen and nutrients for the unborn child |
| womb | where a baby lives until birth |
Created by:
Mrs_CC
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