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47 Cards in this Set
- Front
- Back
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___________ is the means by which organisms maintin a constant internal environment in spite of fluctations in the external environment.
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Homeostasis
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Homeostasis is also called _____________.
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body wisdom
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Homeostatis is maintained by a process called ______________.
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negative feedback
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_______ is a hormone in the brain that goes into the ovary which makes ovaries produce estrogens.
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FSH
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Name the four major tissue.
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epithelial, muscle, connective, and nerve.
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____________ tissue covers body surfaces and lines the hollow organs and structures.
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Epithelial
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What is the function of epithelial tissue?
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primarily protection
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What are the three types of muscle tissue?
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skeletal, cardiac, and smooth
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________ muscles are attached to skeleton and bone.
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Skeletal
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_________ muscles are found in the walls of the heart.
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Cardiac
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________ muscles are found in walls of hallow organs and structure.
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Smooth
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What are the functions of muscle tissue?
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motion, locomotion, movement of substances through the body, and thermogenesis
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______________ makes body produce heat.
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Thermogenesis
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What are the characteristics of connective tissue?
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living cells and non living non cellular stuff called matrix
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What are examples of connective tissue?
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blood, bones, and cartilage.
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What are the functions of connective tissue?
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Connects structures, protection, and rigidity.
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Where are nerve tissues found?
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In the central nervous system and the peripheral nervous system.
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What is the function of nerve tissue?
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Communication among body parts
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_____________ is the 1st layer of skin.
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Stratum corneum
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The stratum corneum has ________ cells and is filled with protein keratin.
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dead
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The stratum germination has __________ cells and constat mitosis and is the bottom two layers.
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living
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___________ produce melanin.
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Melanocytes
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Melanin is produced in response to ______.
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U.V.
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Name the seven sensory receptors that are found in the dermis. *one in both epidermis and dermis
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free nerve endings*, Merkel's discs,Meissner's capsules, Pacinian capsules, end bulbs of Krause, end organs of Ruffini, and hair plexus.
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Merkel's disc, Meissner's corpuscles, and Pacinian capsules offer the sense of _________.
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touch
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___________ senses cold.
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End bulbs of Krause
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___________ senses hot.
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End organs of Ruffini
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___________ picks up any movement of the hair nd prevents us from being bit by bugs.
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Hair plexus
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The technical name for fat is _________.
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adipose
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Name the four functions of adipose.
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Energy reservoir, cushion, starting point for chemical synthesis, and thermoregulation.
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Cellulite is not a special type of fat but the __________ of adipose.
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dimpling
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What are the six major functions of integument?
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protection, sensory information, thermoregulation, excretion, energy reservoir, and synthesis of vitamins.
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The integument offers protection against what four things?
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water loss/water gain, pathogens, chemical damage, and mechanical damage.
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In the integument, sweat glands act as ________________.
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evaporative cooling
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________ and ________ are forms of thermoregulation.
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Fat, sweat gland
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In ___________, sweat glands remove water, salts, and urea from the blood.
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excretion
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Epidermis is _________ than the dermis.
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thinner
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__________ are found in the bottom of the stratnum germinatum.
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Melanocytes
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Fat in the subcutaneous layer has a ________ ________ appearance.
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chicken wire
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Name the functions of sweat glands.
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thermoregulation, removes metabolic wastes from blood, and conditions stratum corneum and hair
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Hair serves as thermoregulation but not in ___________.
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humans
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Dermis is made up of fibers which are made up of ___________ and ___________.
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collagen and elastin
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Aretor pili muscles are also called__________.
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goosebumps
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Humans have arector pili muscles but just not enough for _________________.
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thermoregulation
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When arector pili muscles stand up (cold, scared) it is for ______________.
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protection
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________ lubricates stratum corneum and hair.
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Oil
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__________ are openings to hair follicles.
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Pores
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