and functions of the skin with 70% accuracy. BRING IN TEXTBOOK DN: Hand-in VKS Lab write-up and scantron. Video: The SKIN ACT: Introduction to the Skin (Notes) Text, read p. 30-35; Work on iPad (eSpark Assignment) HW: Complete The Skin Booklet; Work on SMSD Review Sheets; SMSD Exam, Feb 25; Winter Recess HW, NYSSAE 2008
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OBJ: Given video, notes, activity sheet SWBAT describe the structures and functions of the skin with 70% accuracy. BRING IN TEXTBOOK DN : Hand-in VKS Lab.
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OBJ: Given video, notes, activity sheet SWBAT describe the structures and functions of the skin with 70% accuracy.
BRING IN TEXTBOOKDN: Hand-in VKS Lab write-up and scantron.Video: The SKIN
ACT: Introduction to the Skin (Notes)Text, read p. 30-35;Work on iPad (eSpark Assignment)
HW: Complete The Skin Booklet; Work on SMSD Review Sheets; SMSD Exam, Feb 25; Winter Recess HW, NYSSAE 2008 Exam (on scantron, due Monday, Feb 23).
SKIN NOTES• SKIN FUNCTION
– Covers and protects from injury, infection, water loss
– Regulates body temperature– Removes waste (perspiration)– Collects environmental information– Produces Vitamin D– LARGEST ORGAN IN THE HUMAN BODY
Skin consists of:
epidermis – outer layer
dermis – inner layer
SKIN NOTESEPIDERMIS (OUTER LAYER):
No nerves, no blood vesselsUpper Epidermis (dead cell layer) – consists of dead cells which shed after two weeksLower Epidermis (skin producing factory) – consists of living epidermal cells which divide forming new cells. After two weeks, they die, move upward becoming part of the Upper Epidermis surface layer.