Portage Learning: A&P 1 Module 5. All Questions and answers. Graded A+

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Brachialis (Insertion) - Ans-Tuberosity of ulna Name the three types of muscle tissue found in the body: - Ans-Cardiac, skeletal and smooth What does it mean that skeletal muscles are under consciou... s control? - Ans-A person can consciously decide to use these muscles to complete an action. What is included in the central nervous system? - Ans-Brain and spinal cord Describe a motor action vs. sensory input in terms of the nervous system. - Ans-Messages from the central nervous system to a muscle are called a motor actions. Nerves also carry information from the external environment to the central nervous system, called sensation or sensory input. True or false: The brachial plexus supplies nerves to the lower extremities. - Ans-False Describe the difference between tendons and ligaments. - Ans-Tendons are connective tissues that connect skeletal muscle to bone at each end. Ligaments are connective tissue that connects bone to bone, helping to stabilize joints where bones meet. Describe the origin and insertion of attachment to bones. - Ans-The origin is the bony site of attachment which is stationary during the movement. The insertion of a muscle is the bony site of attachment that is moved by the muscle contraction. Describe muscle action and innervation. - Ans-The action of the muscle is what effect is produced by the muscle's contraction. The innervation is the peripheral nerve that supplies a muscle with the message from the b [Show More]

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