Ch 13 - Section 1 Notes pg 161 6/4/14 How do the major systems function?

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Presentation transcript:

Ch 13 - Section 1 Notes pg 161 6/4/14 How do the major systems function?

New Vocabulary: Homeostasis- The maintenance of a stable internal environment. Homeostasis- The maintenance of a stable internal environment. Stress- Reaction of your body to challenging, threatening or disturbing events. Stress- Reaction of your body to challenging, threatening or disturbing events.

Tissue: A tissue is composed of specialized cells that perform a function in the body. The human body has four major types of tissues: CONNECTIVE TISSUE Connects and supports parts of your body. EPITHELIAL TISSUE Covers and protects the surfaces of your body & lines the internal organs. Example: skin cells NERVOUS TISSUE Sends electrical signals through the body which enables you to think, hear and see. Example: brain cells MUSCLE TISSUE Made of cells that can contract and relax to produce movement. Also protects internal organs.

The Human Body has 11 organ systems: An organ is two or more tissues working together to perform a specific function. An organ is two or more tissues working together to perform a specific function. An organ system is two or more organs working together to perform a major function. An organ system is two or more organs working together to perform a major function. The human body has 11 body systems. The human body has 11 body systems. STOMACH DIGESTIVE SYSTEM

Organ Systems Integumentary System Integumentary System Muscular System Muscular System Skeletal System Skeletal System Circulatory System Circulatory System Respiratory System Respiratory System Digestive System Digestive System Excretory System Excretory System Immune System Immune System Reproductive System Reproductive System Nervous System Nervous System Endocrine system Endocrine system Open to pg in your science book to write the functions of each system.