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Warm up 5/5

Warm up 5/5. Tomorrow we will meet in Rm 151 2 nd science room from front of the school Take the histology lab and turn to page 3. Come to the front and get 1 microslide viewer and one microslide strip. (Groups of 2)

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Warm up 5/5

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  1. Warm up 5/5 • Tomorrow we will meet in Rm 151 • 2nd science room from front of the school • Take the histology lab and turn to page 3. • Come to the front and get 1 microslide viewer and one microslide strip. (Groups of 2) • Look at 3 different slides. Draw pictures of the slides in the field of views provided on page 3 of the lab. • Answer questions 10-14 • Must clean up by 2:00 pm

  2. MUSCULAR SYSTEM II PP. 920-922

  3. MUSCLE STRUCTURE CONT. • Ligaments connect joints • Tendons connect muscle to bone • When the muscle moves, the bones move, and the joint bends

  4. MUSCULAR MOVEMENT • Muscles arranged in opposing pairs and while one relaxes the other contracts flexor: contraction bends the joint extensor: contraction straightens the joint

  5. MUSCLE FATIGUE • The inability to contract the muscle due to the lack of ATP

  6. RED= Important BLACK = Write Down BLUE = Don’t write down SKELETAL SYSTEMfor dummies pp 911-916

  7. FUNCTION • Bones support muscles and organs • produce red and white blood cells • gives shape and structure to the body • protects internal organs • store minerals

  8. SKELETON • Axial –the skull, face, vertebral column, and rib cage. • Appendicular –the arms and legs, pelvis, scapula, collar bone, etc • bones and their associated tissues (cartilage and ligaments) make up the skeletal system to support the body

  9. BONE STRUCTURE • porous and made of proteins and minerals • osteocytes –cells that make bone • bone marrow – soft bone tissue that produces platelets and blood cells

  10. BONE DEVELOPMENT • develop from cartilage (tough flexible connective tissue) • ossification: hardening of bone cartilage • elongation at the end of bones

  11. JOINTS • place where two bones meet

  12. Fixed: no movement between bones (ex. skull). • Semimovable: limited movement (i.e. rib cage and vertebrae) • Movable 1. hinge – knee and knuckle 2. pivot – skull joins the vertebral column 3. ball-and-socket – hip 4. gliding – wrist and ankle (slide over one another)

  13. JOINT STRUCTURE • cartilage between joints for cushion • ligaments connect joints (bone to bone)

  14. Quiz Tomorrow • P 922 # 9, 10 (Due Tues) • Look at p 929 #7. Define parts of picture 1-4. • Is this muscle elongated or contracted? (Due Tues) • Problems p 922 # 5-7 Due Wednesday • Physiology Study Guide Due Thursday • Histology Lab (Due Friday) • Exam Friday: Intervention Wed & Thur

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