human body systems 7.12 b identify the main functions of the systems of the human organism,...
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Human Body Systems
7.12 B Identify the main functions of the systems of the human organism, including the
circulatory, respiratory, skeletal, muscular, digestive, excretory, reproductive,
integumentary, nervous, and endocrine systems.
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Structure: What are the parts?Joints and bones
Skeletal System
Function: What is its job? body and its muscles, contains materials to make new blood cells.
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Structure: What are the parts? 3 types of muscle: skeletal, smooth, and cardiac; ligaments and tendons
Muscular System
Function: What is its job? Allows the body to move when attached to bone, allows movement in internal organs such as the heart and intestines, provides strength, balance and warmth.
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Structure: What are the parts?Mouth, esophagus, stomach, small and large intestines, anus
Digestive System
Function: What is its job? Converts food into simpler substances for the body to absorb as nutrients, breakdown of food also provides energy for all body functions.
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Structure: What are the parts?Includes heart, arteries (distribute to body) and veins (carry deoxygenated blood to heart)
Circulatory Systems
Function: What is its job? Circulates blood through the body, supplies cells with oxygen and nutrients, removes waste products.
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Structure: What are the parts?Airways such as trachea, lungs, and alveoli
Respiratory System
Function: What is its job? Supplies blood with oxygen in the lungs, and removes carbon dioxide.
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Structure: What are the parts?Kidneys, bladder
Excretory
Function: What is its job? Filters water and fluids from the blood while also collecting urine waste.
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Structure: What are the parts?Skin, hair, nails, and sweat glands
Integumentary System
Function: What is its job? Continuously receives communication with the external environment (temp, humidity) and protects body deeper tissues, excretes waste. Helps rid body of heat, synthesizes Vitamin D.
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Structure: What are the parts?Brain, spinal cord, and nerves.
Nervous System
Function: What is its job? Sends immediate and specific info as electrical impulses, control center coordinating all actions and reactions work together and are the bodies 2 systems for control and communication.
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Structure: What are the parts?Glands, hormones
Endocrine System
Function: What is its job? Sends signals in form of hormones to the body but more slowly than nervous system, controls growth, reproduction, and metabolism.
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Structure: What are the parts?Lymph nodes, tonsils, spleen
Immune System
Function: What is its job? Responds to pathogens and provides defense to the body’s systems from disease caused by viruses and bacteria.
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Structure: What are the parts?Females: Uterus, ovariesMales: Penis, testicles
Reproductive System
Function: What is its job?Allows humans to continue as a species by fertilizing a female ovum with a male sperm through sexual reproduction.