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Presentation transcript:

Supplies: workbook, pencil, agenda Monday April 8, 2018 Learning Target: Identify the main functions of the integumentary and nervous systems Science Starter: Brainstorm ideas for Earth Day PSA Supplies: workbook, pencil, agenda By the end of class, I will be able to identify the main function and organs of the integumentary system. Agenda: 4/9—Finish lab “The Skin You’re In” 4/10—STAAR Writing 4/11-4/12—Begin notes on skeletal and muscular systems 4/13—Skeletal and muscular system labs

Daily Agenda Social Contract Rater/Tell me Something Good 2. Worth the Wait forms due—Friday April 27 3. DCA Body Systems—Thursday April 19 4. Pgs. 38-39 Station 5—Demonstrating Adaptation of Touch Receptors Station 6—Two Point Sensibility 5. Video—Integumentary System 6. Finish notes on Integumentary system—pg.33 7. LAUNCH--MAKE GOOD CHOICES

Functions of the Integumentary System—Pg. 9 Forms a protective covering over the body

Functions of the Integumentary System Forms a protective covering over the body Maintains homeostasis—regulates body temperature

Functions of the Integumentary System Forms a protective covering over the body Maintains homeostasis—regulates body temperature Excretes wastes— sodium chloride (salt), water, urea

Functions of the Integumentary System Forms a protective covering over the body Maintains homeostasis—regulates body temperature Excretes wastes— sodium chloride (salt), water, urea Sensory organ— nerve endings are sensitive to temperature, pressure, & touch

Functions of the Integumentary System Forms a protective covering over the body Maintains homeostasis—regulates body temperature Excretes wastes— sodium chloride (salt), water, urea Sensory organ—nerve endings are sensitive to temperature, pressure, & touch Produces vitamin D in the epidermis using sunlight

Which is NOT a function of the integumentary system? To prevent substances from entering the body To help keep body temperature stable To remove wastes from the body To absorb oxygen into the body 9 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30

Layers of Skin Epidermis = surface layer Cells on top are dead New cells are constantly produced at the bottom Cells produce melanin (pigment that gives you skin color)

Layers of Skin Dermis = layer under epidermis Thicker than epidermis Contains blood vessels, nerves, oil and sweat glands Fat cells stored under the dermis

Which part of the skin makes new skin cells? Epidermis Dermis Fat cells Sweat glands 9 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30