Biology chapter 20 and chapter 21 test review exam questions and answers rated a+ assured satisfaction.

What is the correct order of the layers of the integumentary system, from superficial to deep? - correct answer 1. Epidermis 2. Dermis 3. Subcutaneous layer. How does skin help maintain homeostasis? - correct answer It helps to regulate body, temperatures, protect from antigens, and excrete waste products Lymph is identical in composition to what? - correct answer Blood plasma What are the functions of lymph? - correct answer 1. Lymph transports antibodies to sites of infections 2. It's supplies nourishment to body tissues. 3. It circulates memory T cells throughout the body. Name the gland were T cells mature - correct answer Thymus The organ that makes B cells - correct answer spleen the entry point where lymph rejoins the bloodstream - correct answer subclavian vein A clear fluid that transports antigen - fighting cells - correct answer Lymph A group of cells that serve as a collecting point for lymph _______ - correct answer Nodes What type of muscle lines the alimentary canal to help push food down? - correct answer Smooth muscle You're diaphragm is made up of what type of muscles? - correct answer Skeletal Knuckles are comprised of what type of joint? - correct answer Hinge Joints have a natural shock absorber called what? - correct answer Synoval fluid Connective tissue bands that hold together the bones and joints are called what? - correct answer Ligaments Provides limited movement in two directions - correct answer Gliding joint Allows no movement at all - correct answer immovable joint Provides extremely limited movement - correct answer slightly movable joint Enables free movement in all directions - correct answer ball-and- socket joint Enables swiveling motion - correct answer pivot joint Enables bending movement in one direction - correct answer hinge joint What is passive immunity? - correct answer Antibodies are given by another organism What is active immunity? - correct answer Your body makes its own antibodies Which type of muscle controls conscious thought? - correct answer Skeletal What is human anatomy? - correct answer Study of man's physical make up and structure Which muscle is the hardest working muscle in the body - correct answer Heart Which type of muscle is not controlled by conscious thought? - correct answer Smooth What is human physiology? - correct answer Study of human processes What is the largest organ of the human body? - correct answer Skin What is the main function of the lymphatic system? - correct answer To protect from antigens Reminder: review pages 93 and 94 in notebook -