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Module 1A - A&P
Introduction to the Human Body
Question | Answer |
---|---|
anatomy | branch of science that studies the structure/form of the body |
morphology | branch of science that studies the structure of the body |
physiology | branch of science that describes how the body works, or functions |
levels of organiztion of the body | cells, tissues, organs, organ systems, human organism |
major organ systems | integumentary, skeletal, musclar, nervous,endocrine, circulatory, lymphatic |
respiratory, digestive, urinary and reproductive systems | |
integumentary system | consists of skin and related structures such as hair, and nails, covers the body, regulates |
temperature, and contains of the structures necessary for sensation | |
skeletal system | basic framework of the body, primarily bones, joints, and cartilage, protects/supports body organs |
muscular system | consist of 3 types of muscles, skeletal muscles attach to the bones and are for |
movement and maintenance of body posture | |
nervous system | consist of brain, spinal cord, nerves and sense organs |
endocrine system | numerous glands that secrete hormones and chemical substance that regulate body |
activities like growth, reproduction, metabolism and water balance | |
circulatory system | consist of heart, blood vessels |
lymphatic system | lymph nodes, lymphatic vessels, lymph and other lymphoid organs |
important roles in fluid balance and defense of body against pathogens and other foreign | |
respiratory system | lungs and other structures that conduct air to and from lungs |
digestive system | organs designed to eat food, break it down into substances that can be absorbed by the |
body and eleminate waste | |
urinary system | consist of kidneys and other structures that help excrete waste material |
reproductive system | consist of organs and structures that enable humans to reproduce |
homeostasis | staying the same; refers to the body's ability to maintain a stable internal enviroment |
homeostatic mechanisms | temperature control;blood sugar control;water balance;blood pressure regulation and Na+ |
homeostatic imbalance | various disorders related to mechanisms |