'Deepest layer' diaporamas de présentation

Sensation

Sensation. Module 9. What is Sensation?. The awareness that world around you. The Process by which our sensory systems and nervous system receive stimuli from the environment. Examples of Sensation. What do you see? What are you listening to? What can you feel? What do you taste?

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Skin and Body Membranes

Skin and Body Membranes. Body Membranes. Function of body membranes Cover body surfaces Line body cavities Form protective sheets around organs. Classification of Body Membranes. Epithelial membranes Cutaneous membranes Mucous membranes Serous membranes Connective tissue membranes

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Chapter Objectives

Chapter Objectives. Epidermis, dermis and subcutaneous tissues. Roles of keratin and melanin in the skin. The glands in the skin. The structure of hair and of nails. Roots pertaining to the skin. Chapter 21: The Skin. Key Terms Normal Structure and Function.

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Fig. 16-4b, p.239

L. O. U. V. T. E. I. O. N. Fig. 16-4b, p.239. EVOLUTION = change over time which is inherited. Macroevolution: major changes of life on earth since its formation 4.6 billion years ago from fossils to present-day species 2. Microevolution:

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So what is it ? Skin and accessory structures arising from it (i.e. hair , glands & nails )

BIOL 2010 Human Anatomy & Physiology I. Into the In tegu mentary system!!!. So what is it ? Skin and accessory structures arising from it (i.e. hair , glands & nails ). What are the functions of the Integ. System ?. What are the functions of the Integ. System ?. Protection:.

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Integumentary System

Integumentary System. Skin ( cutaneous membrane) Skin derivatives Sweat glands Oil glands Hair Nails. Functions of Skin. Protection from mechanical damage Protection from chemical damage Protection from thermal damage Protection from bacterial invasion. Skin Functions.

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Integumentary System (Skin)

Integumentary System (Skin). Skin Functions. Protects deeper tissues from: Mechanical damage ( bumps ) Chemical damage ( acids and bases ) Bacterial damage Ultraviolet radiation ( sunlight ) Thermal damage ( heat or cold ) Desiccation ( drying out )

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Integumentary System

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Frontalis

Muscle. Frontalis. Action. Raises eyebrows. A. Muscle= Zygomaticus. B. Demonstrate the action. C. D. E. Muscle. Latissimus dorsi. Action 1. 1. Shoulder adduction. Action 2. 2. Shoulder extension. Muscle. Rectus abdominis. Action. Flexes trunk. Muscle. Orbicularis oculi.

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Ch. 4 Part 2

Ch. 4 Part 2. Epithelial tissues. Epithelial Tissue. Epithelial tissue or epithelium Consists of cells arranged in continuous sheets in either single or multiple layers Cells are closely packed and held tightly together by cell junctions Have various surfaces Apical (free) Lateral

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The Integumentary System

The Integumentary System. I. What is the Integumentary System?. The organ system that consists of the skin and its derivatives ( sweat & oil glands, hair, nails ). Dermatology is the medical specialty for the diagnosis and treatment of disorders of the integumentary system.

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Skin Cancers

Skin Cancers. Actinic Keratosis. Chronic sun exposure is the cause of almost all actinic keratoses . Sun damage to the skin is cumulative, so even a brief period in the sun adds to the lifetime total.

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Skeletal Review + Integumentary and Circulatory Systems

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Rocks Rock!

Rocks Rock! . What are rocks? . Rocks are always underneath you. Even on water, there is rock beneath you. Rocks are made of minerals. Sometimes you see specks of different colors in a rock. Sometimes you see shiny specks. These different specks are the minerals in a rock. .

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Layers of the earth

Layers of the earth. By : Seth. Both crusts.

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Discoveries at Ur

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Discoveries at Ur

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NARRATIVE

NARRATIVE.

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