Use LEFT and RIGHT arrow keys to navigate between flashcards;
Use UP and DOWN arrow keys to flip the card;
H to show hint;
A reads text to speech;
26 Cards in this Set
- Front
- Back
What makes up the integument system?
|
the skin and its accessory organs
|
|
______ are body structures that are composed of two or more tissues
|
organs
|
|
what is the largest organ in the body?
|
skin
|
|
who much does your skin weigh?
|
8-9 pounds
|
|
skin cell are renewed by the _____ every day
|
billions
|
|
The ______ is replaced every two weeks (reason why a suntan only lasts so long)
|
epidermis
|
|
what are the 4 types of membranes of the skin?
|
1. serous
2. mucous 3. synovial 4. cutaneous |
|
______ membrane line body cavities that lack openings to the outside.
|
serous
|
|
what is the membranes made up of? what do they secrete?
|
epithelium and loose connective tissues and secrete serous fluid that acts as a lubricant.
|
|
______ membrane line the cavities and opening that lead to the outside of the body, including oral and nasal cavities, and openings of the digestive, reproductive, respiratory, and urinary systems.
|
mucous
|
|
what does the mucous membranes consist of? what does it secrete?
|
consists of epithelium and connective tissue with specialized cells that secrete mucus.
|
|
_____ membranes line the joint cavities
|
synovial
|
|
what does the synovial membranes consist of? what do they secrete?
|
consists of ONLY connective tissue and secrete lubrication synovial fluid.
|
|
_____ membrane consists of the skin
|
cutaneous
|
|
through what mechanisms does the skin (largest organ) maintain homeostasis?
|
1. temperature regulation
2. protection of underlying tissues 3. retardation of water loss 4. housing sensory receptors (pain) 5. synthesizing certain chemicals 6. excreting wastes |
|
What organ is the first line of defense for the body?
|
the skin
|
|
is your skin dead or alive (outside)
|
dead
|
|
what are the three layers of the skin?
|
epidermis, dermis, and subcutaneous layer (hypodermis)
|
|
what does the epidermis consist of?
|
the hair shaft, sweat gland pore, stratum corneum, stratum basal, basement membrane
|
|
the epidermis is made up of 1. ______ ______ epithelium and lacks 2. _____ vessels
|
1. stratified squamous
2. blood |
|
which layer, of the reproducing cells, lies at the base of the epidermis, is well-nourished by dermal blood vessels
|
stratum basale
|
|
cells are pushed 1. _____ as new cells formed, and become 2. _______ as they die.
|
1. outward
2. keratinized |
|
what are the 6 layers of the epidermis?
|
1. stratum corneum
2. stratum lucidum 3. stratum garnuolusm 4. stratum spinosum 5. stratum basale 6. basement membrane |
|
____ ____ layer of the epidermis is where injury occurs and helps protect skim from invasion
|
stratum corneum
|
|
The epidermis is important because it protects from what?
|
water loss, mechanical injury, chemicals, and microorganisms
|
|
1. ______ lie deep in the epidermis and underlying dermis, produce a pigment called 2. ____ that protects deeper cells from the sun's ultraviolet rays. This is located in the3. _____ layer.
|
1. melanocytes
2. melanin 3. spinosum |