Unit 3 Package 2
1. Identify the Following:
a) Three Major Types of Muscle Tissue: Cardiac, Skeletal and Smooth
b) Major Functions: Producing body movements, Stabilizing body positions, Storing and moving
substances within the body, Generating heat. (pg.
1. a) The myocardium is made up of cardiac muscle fibers. They are shorter in length and less circular than skeletal
muscles, and they exhibit branching (stair-step appearance). They are connected to each other by irregular
Bodys internal environment = interstitial fluid
1 In order to achieve homeostasis, the body must maintain the volume and composition of body fluids.
Intracellular fluid is found within body cells while extracellular fluid is found outside body cells. Exam