Bio 254 exam 2 - Study guides, Class notes & Summaries

Functions of the Digestive System -ANSWER Prepares nutrients for absorption, modify food in both physical and chemical state so it can be used by the body alementary canal -ANSWER Extends from the mouth to the anus Walls of the GI Tract from Inside Out -ANSWER Mucosa, Submucosa, Muscularis, Serosa Mucosa Layer -ANSWER Innermost GI layer What is the mucosa layer made of ? -ANSWER Epithelium Function of the Mucosa Layer -ANSWER Protection and Absorption What is in the Submucosa L...

Hondros Bio 254 Exam 2 QUESTIONS AND CORRECT DETAILED ANSWERS (VERIFIED ANSWERS) |ALREADY GRADED A+ Which hormone is necessary for glucose to be taken up by cells? Insulin Which hormone regulates blood calcium levels and is released when calcium levels drop? PTH Which mineralcorticoid regulates sodium reabsorption by the kidney? Aldosterone Which hormone is necessary for milk production after child birth? Prolactin Which hormone is for basal metabolic rate regulation? Thyroxine...

Bio 254 exam 2 Questions and Answers(graded A) Function of Osteoclasts - ANSWERChew up bone, secretes an acidic substance that dissolves "chews" up bones Three layers of muscle - ANSWEREpimysium, Perimysium, Endomysium Fascicle - ANSWERbundle of muscle fibers myofibril is made up of - ANSWERmyofilaments Myofilaments - ANSWERThe contractile proteins, Actin and Myosin, of muscle cells Origin - ANSWERAttachment of a muscle that remains relatively fixed during muscular contract...

how do muscles get ATP -ANSWER creatine phosphate for quick ATP glycogen for anarobic myoglobin for aerobic which cell types are capable of mitosis -ANSWER osteogenic cells what are myofibrils made of -ANSWER thick and thin filaments what are thin filaments made of -ANSWER tropoin and tropomyacin are regulatory proteins the main one involved is actin what are thick filaments made of -ANSWER myosin does actin and myosin change length? -ANSWER no how do troponin and tropomyaci...

Function of Osteoclasts - ANSWERChew up bone, secretes an acidic substance that dissolves "chews" up bones Three layers of muscle - ANSWEREpimysium, Perimysium, Endomysium Fascicle - ANSWERbundle of muscle fibers myofibril is made up of - ANSWERmyofilaments Myofilaments - ANSWERThe contractile proteins, Actin and Myosin, of muscle cells Origin - ANSWERAttachment of a muscle that remains relatively fixed during muscular contraction Insertion - ANSWERPoint of attachment that mo...

Compact bone - ANSWERmade of heavy osteons, yellow marrow, weight barring and resists compression Spongy bone - ANSWERmade of light trabeculae, red bone marrow, reduces weight and is slightly flexible yellow marrow - ANSWERtriglyceride storage red marrow - ANSWERhematopoiesis, half is converted into yellow marrow with maturity lamellae - ANSWERrings around the central canal, sites of lacunae illium, ischium, pubis - ANSWERwhat are the three bones that form the hip bone osteocla...

Fascia - ANSWERexternal to muscles, bones, or other organs Superficial Fascia - ANSWERunder the skin Deep Fascia - ANSWERsurrounds deeper organs, including epimysium of muscle Tendon sheath - ANSWERtubelike tunnel around tendon of muscle; lined with synovial membrane Epimysium - ANSWERsurrounds entire muscle Perimysium - ANSWERConnective tissue surrounding a fascicle Endomysium - ANSWERSurrounds individual muscle fibers Antagonists muscles - ANSWERoppose the action of anothe...

function of diaphragm -ANSWER muscle used in breathing 3 requirements for muscle contraction -ANSWER ATP, Calcium, and ACH Function of sarcoplasmic reticulum -ANSWER store calcium and release calcium during muscle contraction Function of acetylcholinesterase -ANSWER Enzyme that breaks down ACH/prevention of ACH accumulation Agonist vs Antagonist -ANSWER Agonist relaxes while Antagonist contracts (bicep/tricep_ Synergist -ANSWER Group of muscles that carry out the same function to ...

Bio 254 Exam 2 Questions 100% acFascia - ANSWERexternal to muscles, bones, or other organs Superficial Fascia - ANSWERunder the skin Deep Fascia - ANSWERsurrounds deeper organs, including epimysium of muscle Tendon sheath - ANSWERtubelike tunnel around tendon of muscle; lined with synovial membrane Epimysium - ANSWERsurrounds entire muscle Perimysium - ANSWERConnective tissue surrounding a fascicle Endomysium - ANSWERSurrounds individual muscle fibers Antagonists muscles - A...

Bio 254 Exam 2 Questions with Correct Answers Graded A+.