Crash Course: Integumentary System Part 1&2 Already Passed

Crash Course: Integumentary System Part 1&2 Already Passed "Your skin protects your body against ______________________ and extreme __________________________, maintains your balance of fluids, and even synthesizes vitamin ______ for your own personal use." Infection, temperatures, D If you could spread it out, your skin would cover an area of _______________________________. 2 square meters The key to your integumentary system is ______________________________. layers Label the diagram with the 3 main layers of the skin. Epidermis, Dermis, Hypodermis You lose enough cells from your epidermis every day to completely replace it every ____ to _____ weeks. 4 to 6 Your _________________ skin can be found on the palms of your hand and the bottom of your feet and contains ______ layers of skin. Thick The epidermis is avascular, which means that all the oxygen and nutrients that its cells need come from the___________________________ below it. Dermis Your skin, being your outer defenses, contains a lot of ____________________________ system cells. Immune "The __________________________ radiation in sunlight can damage the epidermis, causing the elastic fibers to clump up", leading to a "leatherface condition". It can also suppress your _____________________ system Ultraviolet, immune The dermis is full of _____________________ vessels, ____________________ fibers, parts of your hair follicles, and sweat and oil glands with ducts that lead to the surface of your skin. Blood, nerve The papillary layer of your dermis contain "friction ridges" that we know better as _____________________. fingerprints The only way to make tattoos permanent is for the ink to reach your ________________________. dermis The hypodermis contains mostly adipose tissue (__________________), which provides insulation and cushioning. fat "The first and most vital purpose of your integumentary system is to act as a ___________________________." Protective barrier Your cutaneous sensory receptors are also referred to as ___________________________________________. corpuscles About __________ of your entire blood volume is contained within your skin at any given time. This, along with your sweat glands, work together to help regulate your _______________________________________________. 5%, body temp Jaundice is a ______________________________________ of the skin and signifies liver problems. yellowing Your normal skin color is a result of the amount of ______________________________ in your skin. melanin Vitamin ________ is the only vitamin that your body can make on its own. D Your hair and _______________________ essentially grow the same way. nails Your ______________________________ sweat glands are more abundant and can be found in your palms, forehead, and the soles of your feet. Your ____________________________________ sweat glands are much less abundant (there are only about 2000 of them). They really start working around _______________________ and are mainly found in your armpits and your groin. eccrine, apocrine, puberty Your sebaceous glands are better known as your ______________ glands and can be found everywhere except the thick skin of your palms and the soles of your feet. oil