Supplies: Body Systems Workbook & HW 20

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Presentation transcript:

Supplies: Body Systems Workbook & HW 20 Tuesday February 27 Learning Target: Identify the main functions of the integumentary and nervous systems Science Starter: 1. HW 20—3D 2. Number pages in workbook (Learning Target is page 1) Supplies: Body Systems Workbook & HW 20

Agenda Heartbeat Begin Body Systems Pg. 3 Workbook—7.12B- Integumentary & Nervous Vocabulary pages highlight the following: Homeostasis (pg. 5), integumentary system, nerve(pg. 6), nervous system (pg. 7) Upcoming Dates Part 1 Body System Test—Wed. March 8 Mrs. Hinds at Planning Thurs. March 9 HW 20 Due—Fri. March 10

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

On the sheet of paper: Describe the function of the integumentary system. 1. You must write at least 3 sentences. 2. Then crumble your paper. 3. Wait for me to say go & toss the paper in the classroom. 4. Pick up a paper and read the function. 5. Correct any mistakes and this is your ticket out the door.