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Published byBrian Randall Modified over 8 years ago
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Body Systems Vocabulary
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Systems Cell – The smallest living thing that can preform life functions Tissue – group of similar cells working together for one function Organ – A group of tissues working together System - A group of organs working together
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Skeletal System Gives us shape, protects organs and produces blood. Parts Bones – Provide structure, make blood Marrow – Inside of bones, make blood Femur – Strongest bone in the body Cartilage – Soft tissue in between bones Ligament – Holds bones together
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Muscular System Movement Parts: Muscles – Tissues that contract (get shorter and PULL ONLY!) Tendon – holds muscles to bones Smooth muscles – Run involuntary functions (lungs, stomach, etc.) Cardiac muscles – Heart muscles never get tired Skeletal – Move bones
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Respiratory System Add oxygen to body and remove carbon dioxide Parts: Trachea – brings air to lungs Lungs – hold air Alveoli – Capillaries in alveoli grab oxygen and give off carbon dioxide Diaphragm – Muscle that operates the lungs
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Digestive System Breaks down food gets rid of waste Parts: Mouth – Allows food in the body Stomach – breaks down food Large intestines – Absorbs nutrients Bile – Chemical in the stomach used to break down food.
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Circulatory System Brings nutrients and removes waste from organs Parts: Heart – Pumps blood throughout the body Artery – takes blood away from heart Vein – Brings blood back to the heart Capillary – Connects arteries to veins. Run to the surface of all organs Blood – carries nutrients and waste
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Nervous System Controls all functions Parts: Brain – Main control unit of the Nervous system Nerves – stretch throughout the body and transfer information Spinal cord – Runs down your back, connects nerves to brain Synapse – sends information between nerve cells
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Epithelial System Protects the body, controls temperature, holds your organs in Parts: Epidermis – Outer layer protects the body Dermis – Middle layer contains sweat glands, hair follicles and capillaries Hypodermis – Mostly fat, insulates and absorbs shock Sebaceous fat – connected to hypodermis insulates and stores energy
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Endocrine Produces hormones, that are needed for proper body function and growth Parts: Gland – Produces hormones Hormones – chemicals that excite cells Metabolism – Turn food to energy Hypothalamus – maintains homeostasis Pituitary – controls growth
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Toaster Heats bread and makes it turn brown.
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