BIOL 212 Lecture Notes - Lecture 2: Epithelium, Epimysium, Perimysium
Document Summary
Latin for little mouse . (myo-; mys-; sarco-: 2. Accounts for 40-50 % total body weight: 4. Elongated cells packed with contractile proteins (myosin & actin: 5. Contract on conscious command: muscle characteristics, 1. Excitability - responds to external stimuli (hormones / nervous stimulus: 2. Contractility - actively shortens along longitudinal axis: 3. Extensibility - can stretch beyond original length,without tearing. (contrast with brain, bone, spleen, or kidney: 4. The chemical energy for the cell is atp: atp --> adp + pi + energy, 2. The mechanical energy produced allows us to: a. Maintains: posture / body position / joints: c. supports soft tissue, d. regulating incoming and outgoing material, e. move material along a tract, f. maintains body temperature, skeletal (somatic) muscle, 1. Gross anatomy of a muscle organ: every muscle organ has, 1. At least one artery, one vein, and one nerve: a.
