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Human Body Organization & Homeostasis Gaiser Life Science.

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Presentation on theme: "Human Body Organization & Homeostasis Gaiser Life Science."— Presentation transcript:

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2 Human Body Organization & Homeostasis Gaiser Life Science

3 Know List all the body systems you know. (There are 11.) Evidence Page 50 Human Body Organization and Homeostasis “I don’t know any.” is not an acceptable answer. Use complete sentences. After listening to the PowerPoint lecture, come back here and list evidence to explain why your answer to the above question is or is not a good answer. You may also use other outside sources to help you respond.

4 Clarifying ?s Information Page 51 tissues - similar cells that perform the same function - similar cells that perform the same function Organization levels of the human body 4 types of tissue A. Muscle tissue: Human Body Organization and Homeostasis 1. Cells2. Tissues3. Organs4. Organ systems 1. Assists the body parts to move 2. Moves blood through the heart 3. Assists the body in carrying out digestion B. Nerve tissue 1. Brings messages to the central nervous system 2. Sends messages to the muscle system Example: Brain, spinal, and peripheral nerves Example: biceps and gastrocnemis Example: heart muscle Example: esophagus

5 Clarifying ?s Information Page 52 Human Body Organization and Homeostasis C. Connective tissue surrounds, supports, and connects organs, muscles, joints, and other body parts Example: collagen fibroblasts and fat cells D. Epithelial tissue Covers body surfaces and allows food and water to selectively go through it Example: skin and digestive lining organ - a structure composed of different kinds of tissue which performs a specific job - a structure composed of different kinds of tissue which performs a specific job Example: The heart contains all four types of tissue; its job is to pump blood.

6 Clarifying ?s Information Page 53 Summary: Human Body Organization and Homeostasis organ system - a group of organs working together - a group of organs working together Example: The stomach, small intestine, and large intestine are all part of the digestive system. homeostasis - the body’s internal balance to keep it stable despite external changes - the body’s internal balance to keep it stable despite external changes Example: The body temperature stays at 37˚C even if the outside temperature drops well below 0˚C. stress - the reaction to threats, challenges, or disturbing events by the body and brain - the reaction to threats, challenges, or disturbing events by the body and brain Physical response - fast heartbeat, fast breathing, and sweating Long term problems - tired, irritable, high blood pressure Dealing with stress - Exercise! Ask for help. Deal with it - don’t ignore it

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8 Clarifying ?s Information Human Body Organization and Homeostasis tissues - similar cells that perform the same function - similar cells that perform the same function Organization levels of the human body 3 types of connective tissue A. Muscle tissue: 1. Cells2. Tissues3. Organs4. Organ systems 1. Assists the body parts to move 2. Moves blood through the heart 3. Assists the body in carrying out digestion Example: biceps and gastrocnemis Example: heart valves Example: esophagus C. Connective tissue surrounds, supports, and connects organs, muscles, joints, and other body parts Example: collagen fibroblasts and fat cells D. Epithelial tissue Covers body surfaces and allows food and water to selectively go through it Example: skin and digestive lining B. Nerve tissue 1. Brings messages to the central nervous system 2. Sends messages to the muscle system Example: Brain, spinal, and peripheral nerves

9 Clarifying ?s Information Human Body Organization and Homeostasis organ - a structure composed of different kinds of tissue which performs a specific job - a structure composed of different kinds of tissue which performs a specific job Summary: Example: The heart contains all three types of tissue; its job is to pump blood. Organ system - a group of organs working together - a group of organs working together Example: The stomach, small intestine, and large intestine are all part of the digestive system. homeostasis - the body’s internal balance to keep it stable despite external changes - the body’s internal balance to keep it stable despite external changes Example: The body temperature stays at 37˚ even if the outside temperature drops well below 0˚. stress - the reaction to threats, challenges, or disturbing events by the body and brain - the reaction to threats, challenges, or disturbing events by the body and brain Physical response - fast heartbeat, fast breathing, and sweating Long term problems - tired, irritable, high blood pressure Dealing with stress - Exercise! Ask for help. Deal with it - don’t ignore it

10 This PowerPoint was created from Charlene Shea’s lecture notes by Tim Paterek. It is copyrighted and may not be reproduced outside the Vancouver School District. All pictures came from Google Image Search. To fall within the Fair Use Guidelines, this PowerPoint must be used within the confines of the classroom and may not be published back onto the Internet unless the pictures are removed.


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