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WSU Biology 353 Exam 1 Questions And Answers With Complete Solutions

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WSU Biology 353 Exam 1 Questions And Answers With Complete Solutions what is physiology ANS focus on mechanisms of body and cellular processes and their regulation what are the molecules of life? ANS proteins, carbs, fats, nucleic acids, signaling molecules what are the basic units of life...

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  • October 11, 2024
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WSU Biology 353 Exam 1 Questions And Answers
With Complete Solutions
what is physiology ANS focus on mechanisms of body and cellular processes and their regulation



what are the molecules of life? ANS proteins, carbs, fats, nucleic acids, signaling molecules



what are the basic units of life? ANS cells



what are the levels of organization of the human body? ANS cells, tissues, organs, body systems,
whole body


how many different cell types do humans have? ANS 252



basic cell functions ANS • Obtain nutrients and oxygen from surrounding environment

• Perform chemical reactions that provide energy
• Eliminate carbon dioxide and other wastes
• Synthesize needed cellular components
• Control exchange of materials between cell and its
surrounding environment
• Sensing and responding to changes in surrounding environment
• Reproduction



specialized cell functions ANS -Secrete digestive enzymes that break down ingested food
-Retain and eliminate substances accordingly
-Produce intracellular movement
-Generate and transmit electrical impulses that relay information
-produce and secrete chemical signals

, what is a tissue ANS a group of cells with a similar structure and specialization



types of muscle tissue ANS skeletal, cardiac, and smooth



function of nerve tissue ANS initiate and transmit electrical impulses



function of epithelial tissue ANS exchange materials between the cell and environment



function of connective tissue ANS connects, supports, and anchors various body parts



what are the four primary tissue types? ANS epithelial, connective, muscle, nervous



what is a functional unit? ANS a cellular or tissue structure able to perform the tasks of a cell
type or organ



what is the functional unit of muscle cells ANS sarcomere



what is the functional unit of the kidneys? ANS nephron



arrangement of proteins in skeletal muscle cells ANS sarcomere, myofibril, muscle fiber, muscle
fascicle, skeletal muscle



what is a body system ANS a collection of organs that perform related functions



what are the eleven organ systems? ANS circulatory, digestive, skeletal, integumentary, nervous,
reproductive, respiratory, urinary, muscular, immune, endocrine



components of circulatory system ANS heart, blood vessels, blood

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