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401 Body Systems
Term | Definition |
---|---|
Integumentary System - | Consists of the skin, hair, and nails protects against infection, helps maintain body temperature, and helps keep from drying out |
Nervous System - | consists of the brain, spinal cord, nerves, and sense organs Detects stimuli, interprets stimuli, and coordinates responses |
Muscular System - | Consists of muscles, tendons, and ligaments The ability of muscle cells to contract enables movement Muscles can also be used to generate heat such as when shivering |
Skeletal System - | Consists of bones and joints Protects and supports body organs and provides a framework the muscles use to support movement |
Digestive System - | Consists of the mouth, esophagus, stomach, small intestine, and large intestine Breaks food down, absorbs the nutrients in the food, and eliminates what is left over |
Circulatory System - | Consists of the heart, blood vessels, and blood Transports nutrients and hormones throughout the body |
Respiratory System - | Consist of the air passages and lungs Exchanges gases with the environment Oxygens diffuses into the blood Carbon dioxide diffuses out of the blood |
Endocrine System - | Consists of glands Secretes hormones Ex: growth hormone produced during childhood helps determine the length of bones |
The Lymphatic System - | Consists of lymph, lymph vessels, and lymph nodes Collects fluids that have seeped out of the circulatory system and returns that fluid to the circulatory system |
Hormones - | Chemicals used as messengers and produced by glands |
Glands - | Structures that secrete hormones |
Excretory System - | the system that removes waste from your body and controls water balance The urinary system is a subdivision of the excretory system The urinary system filters nitrogenous wastes from the blood and excretes them during urination |
Reproductive System - | Consists of sex organs, hormones, and gametes Enables the conception and nurturing of offspring |