Ib sehs skeletal - Study guides, Class notes & Summaries

IB SEHS - Skeletal Exam 2024...

IB SEHS unit 4 already rated A+ label a motor unit - dendrite - cell body - nucleus - axon - motor end plate - synapse - muscle dendrites receives impulses from other neurons and pass them to the cell body Best Small School Prospects in the 2022 NFL Draft cell body processes the info from the dendrites and sends an impulse down the axon Axon acts as a wire, carrying the electrical impulse Myelin sheaths surround the axon, protecting it. They act as insulators, which speed up ...

IB SEHS TOPIC 1 & 2 QUESTIONS ALL ANSWERS CORRECT Outline the functions of connective tissue ️Cartilage: Protects the ends of the bones, absorbs shock, reduces friction Ligament: Connect bone to bone, strong, fibrous bands that provide stability to the joints, prevents abnormal movements Tendon: Muscle to bone, enables movement and adds stability Define the term Joint ️The place where two or more bones articulate Distinguish between the axial and appindicular skeleton in terms ...

IB SEHS Topic 4 Verified Solutions Myofibril ️One of the slender threads of a muscle fiber, composed of numerous myofilaments Myofilament ️Myofibrils are made up of even smaller threadlike structures Actin Filament and Myosin Filament ️Two protein sites responsible for movement Sarcomere ️Is the basic unit of a muscle and is the part of the muscle that contracts H Zone ️The region of the sarcomere that contains only thick myofilaments I Band ️From the end of the Myosin to...

IB SEHS Topic 1.2 (Muscular System) Graded A Skeletal Muscle Voluntary, striated, and multinucleated Cardiac Muscle Involuntary, striated, branched, and uninucleated Smooth Muscle Involuntary, nonstriated, tapered, and uninucleated Muscle Fiber A muscle cell is also called a ________________ Fascicle A bundle of muscle fibers is called a __________________ Myofibril Made of many sarcomere subunits and span the length of a muscle fiber Tendons Connective tissue that connects muscles...

IB SEHS Topic 1 Anatomy Verified Solutions Axial skeleton consists of those parts near the skeletal axis, skull, vertebral column, the ribs and sternum Appendicular skeleton consists of upper and lower extremities, pelvic girdle (illium, ischium and pubis) and the pectoral girdle (scapula and clavicle) Axial function protection Appendicular function movement and attachment 4 types of bone long bone, short bone, flat bone, irregular bone long bone epiphysis, diaphysis, artic...

IB SEHS Exam Prep Questions With Correct Answers Long bones - answerlonger than they are wide, long cylindrical shaft, ends are enlarged, includes the femur, humerus, metatarsals, and phalanges par-q - answerPhysical Activity Readiness Questionnaire: identifies people who should not be tested in a field setting. Proceed with caution if a client answers yes to one or more questions. May require physician clearance par-q plus - answer short bones - answersmall, cube-shaped, usually articul...

Summary of the IB SEHS Unit 1.1 (the skeletal system). You will find detailed yet summarized information on the topic, organized according to the IB syllabus (contains all necessary information to achieve a 7).