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    188宝金博页面版: Science - PBworks

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    内容提示： How do the muscles, bones, and tendons work together to move a joint of a chicken wing and how do they compare to a human arm? Although many differences exist between the anatomy of humans and chickens, one structure that shows similarities in muscle pairing and range of motion is a bird’s wing. In this activity you will study chicken wing structure and function, which is similar to that of the human arm. Bones of the Human Arm The arm reaches from the shoulder to the wrist. It consists of two basic pa...

    文档格式：DOCX | 页数：6 | 浏览次数：42 | 上传日期：2016-03-24 07:29:26 | 文档星级：
    How do the muscles, bones, and tendons work together to move a joint of a chicken wing and how do they compare to a human arm? Although many differences exist between the anatomy of humans and chickens, one structure that shows similarities in muscle pairing and range of motion is a bird’s wing. In this activity you will study chicken wing structure and function, which is similar to that of the human arm. Bones of the Human Arm The arm reaches from the shoulder to the wrist. It consists of two basic parts: 1. the upper arm, which extends between the shoulder and the elbow, and 2. the forearm, which extends between the elbow and the wrist. The upper arm is formed by one long bone, the humerus. The top end of the humerus is rounded and fits into a cup-shaped depression in the scapula, or shoulder bone, forming a ball-and socket joint. Ball-and-socket joints allow for circular movement. The two bones of the forearm are the radius and the ulna. The ulna is fixed in position, but the radius can rotate over the ulna. This makes rotation of the forearm possible in motions such as twisting a screwdriver. Science.7Chicken Wing DissectionName ______________________________ Date _______________________________ Essential Questions 1. What are the structures of the skeletal and muscular system? 2. What is the function of the skeletal and muscular system? 3. How do we move? Vocabularyskeletal system, bone, ligament, bone marrow, joint, cartilage, muscular system, skeletal muscle, cardiac muscle, smooth muscle, tendon Objectives1. Identify the structures of the skeletal and muscular system. 2. Identify the functions of the skeletal and muscular system.

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