1. Learning Target: 1. Excretory and Integumentary Systems 2
Learning Target: Excretory and Integumentary Systems 2. Digestive System Test Corrections No Science Starter Today! Pick up HW #29 (white) Pick up Body Systems Workbook

2. Announcements: 1. New Seating Chart 2
Announcements: 1. New Seating Chart 2. Return all Worth the Wait Forms 3. All Corrections or Missing Assignments MUST be turned in by Friday April Body System DCA Tuesday April HW question of the day

3. Functions of the Integumentary System pg 30
Forms a protective covering over the body

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

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

6. 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

7. 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

8. 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

9. 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)

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

11. 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

12. Skin Brainpop

13. Test Corrections:
You will get ½ the points back for any question answered incorrectly. (All or nothing)
You must provide an explanation of the correct answer and WHY the answer is correct. (Complete sentences please!)