BIOL 465 Exam 1 Questions And Answers With Latest Tests
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Course
BIOL 465
Institution
BIOL 465
BIOL 465 Exam 1 Questions And Answers With Latest Tests
levels of organization ANS cell, tissue, organ, organ system
Cell ANS basic unit of structure and function of living organisms
basic cellular processes ANS 1. exchange of materials with their environment
2. energy utilization
3. ...
BIOL 465 Exam 1 Questions And Answers With Latest
Tests
levels of organization ANS cell, tissue, organ, organ system
Cell ANS basic unit of structure and function of living organisms
basic cellular processes ANS 1. exchange of materials with their environment
2. energy utilization
3. synthesis of simple and complex molecules
4. response to external stimuli
5. reproduction
tissue ANS group of cells with similar functions
organs ANS grouping of tissues into a distinct structure
organ systems ANS group of organs that form functional unit
tissues are composed of ANS similar cells, extracellular structures, interstitial fluid, water
compartments
intracellular water compartment ANS cytoplasm and organelles (67%)
extracellular water compartment ANS plasma + interstitial fluid (34%)
plasma ANS fluid part of blood (7%)
interstitial fluid ANS fluid between cells (26%)
,types of tissues ANS muscle, nerve, epithelium, connective
muscle tissue function ANS contraction and generation of force
characteristics of muscle tissue ANS elongated, composed of contractile filaments, sometimes
organized into dark and light bands
nerve tissue function ANS initiation and conduction of electrical signals & translation of
chemical into electrical signals
nerve tissue characteristics ANS large cell body and branching process (axons and dendrites)
epithelium function ANS selective secretion and absorption of molecules
epithelium characterisitcs ANS cells lie close to one another, arranged in single or multiple
layers, covers body surface and lines hollow organs
connective function ANS connecting and supporting body structures
connective tissue characteristics ANS large amount of extracellular material
connective tissue examples ANS bone, cartilage, fat, blood
organ ANS 2+ tissues joined in a structural unit to perform a common function
organ system ANS group of organs that work together to perform a common function
skin functions ANS 1. protection against substances and bacteria
, 2. prevention of body fluid loss
3. thermoregulation
4. sensations
what are the types of receptors on the skin? ANS temperature, pressure, touch, pain
skin is composed of ANS epidermis and dermis
epidermis composition ANS flattened epithelial cells
epidermis function ANS protection against water loss and disease-causing organisms
examples of epidermis ANS scales in reptiles, feathers in birds
what water insoluble protein does the skin make in terrestrial animals? ANS keratin
skin color is determined by ANS amount of melanin
melanin function ANS protects skin against UV radiation
function of sweat/sebaceous glands ANS lubrication and cooling
blood vessel function ANS nourishment
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