BIO 201 Exam 1 Questions With
Complete Solutions
epithelial tissue correct answer: protection, absorption, filtration, excretion, secretion, sensory reception
eg. stomach lining and skin
*Innervated and avascular
muscle tissue correct answer: excitable, contractile tissue for movement
nervous tissue correct answer: excitable tissue used to send short term signals throughout the body
-function is to control and communicate
eg. positive and negative feedback
connective tissue correct answer: -living cells in a non-living matrix
-function is to support
eg. under every epithelium
structural elements of connective tissue correct answer: 1. ground substance
2. fibers
3. cells
3 fibers of connective tissue correct answer: 1. collagen
2. elastic
3. reticular 4 types of connective tissue correct answer: 1. connective tissue
proper
2. cartilage
3. bone
4. blood
3 types of cartilage correct answer: 1. hyaline
2. elastic
3. fibrocartilage
Necessary Life Functions correct answer: 1. Maintaining boundaries
2. Movement
3. Responsiveness
4. Digestion
5. Metabolism
6. Disposal of wastes/excretion
7. Reproduction
8. Growth
maintaining boundaries correct answer: Separation between internal and external environments
movement correct answer: -contractility
-happens at both gross and cellular/chemical levels
-of body parts (skeletal muscle)
-of substances (cardiac and smooth muscle)
responsiveness correct answer: -ability to sense and respond to stimuli
-stimulus=change in the environment -e.g. your body gets hot, you need to cool down, withdrawal reflex
-irritability=an organism responding to a change in their environment
-adaptability=the potential an organism has to make this change
digestion correct answer: -absorption of simple molecules into the blood
-take up nutrients to produce energy and keep life systems going
metabolism correct answer: -all chemical reactions that occur in
body cells
-encompasses both anabolism and catabolism
disposal of wastes correct answer: -removal of wastes from metabolism and digestion
-e.g. urea, CO2, feces
reproduction correct answer: -producing offspring to carry on life
-cellular division for growth or repair
growth correct answer: increase in size of a body part or of organism
-e.g. egg+sperm=zygote which divides to form human organism
microscopic anatomy correct answer: e.g. cytology and histology
-need a microscope/cannot see with naked eye
the cell correct answer: smallest living units of anything
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