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...
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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