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SUPPORT AND LOCOMOTION. SUPPORT AND LOCOMOTION. HOW DO WE REMEMBER THE LIFE PROCCESSES? H.N.T.R.S.G.E.R.M.R. WHICH ONES HAVE WE COVERED? NUTRITION & TRANSPORT & RESPIRATION & *EXCRETION WHAT’S NEXT? R REGULATION (RESPONSE) ORGANISMS CAN REGULATE/RESPOND INTERNALLY OR EXTERNALLY.
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SUPPORT AND LOCOMOTION • HOW DO WE REMEMBER THE LIFE PROCCESSES? • H.N.T.R.S.G.E.R.M.R. • WHICH ONES HAVE WE COVERED? • NUTRITION & TRANSPORT & RESPIRATION & *EXCRETION • WHAT’S NEXT? • R REGULATION (RESPONSE) • ORGANISMS CAN REGULATE/RESPOND INTERNALLY OR EXTERNALLY
SUPPORT AND LOCOMOTION • ONE OF THE SIMPLEST FORMS OF RESPONSE TO UNDERSTAND IS LOCOMOTION!! • WHAT IS LOCOMOTION? • BEING ABLE TO MOVE FROM ONE PLACE TO ANOTHER PLACE • MOTILE VS SESSILE?? • WHY LOCOMOTE? • FIND FOOD • FIND SHELTER • ESCAPE PREDATORS • FIND MATES
SUPPORT AND LOCOMOTION • LOCOMOTION IN PROTISTS • AMEBA VS PARAMECIUM
SUPPORT AND LOCOMOTION • LOCOMOTION IN PROTISTS • AMEBA • PSEUDOPODS • PARAMECIUM • CILIA & FLAGELLA
SUPPORT AND LOCOMOTION • LOCOMOTION IN THE HYDRA
SUPPORT AND LOCOMOTION • LOCOMOTION IN THE EARTHWORM • EARTHWORM’SPOSSESS SETAE!!! • TINY HAIRS, ORBRISTLES, THATPROVIDE TRACTION • WATCH THIS!!!
SUPPORT AND LOCOMOTION • LOCOMOTION IN THE GRASSHOPPER • EXOSKELETON MADE OF CHITIN • POSSESS JOINTS (WHICH ALLOW FOR FREE RANGE OF MOVEMENT)
SUPPORT AND LOCOMOTION • LOCOMOTION IN HUMANS • THE HUMAN MUSCULOSKELETAL SYSTEM
SUPPORT AND LOCOMOTION • LOCOMOTION IN HUMANS • THE MUSCULOSKELETAL SYSTEM IS BROKEN INTO TWO PARTS • THE MUSCULAR SYSTEM • EXAMPLES • BICEPS • TRICEPS • HAMSTRINGS • WHAT ELSE?? • THE SKELETAL SYSTEM • EXAMPLES • RIBS • RADIUS • FEMUR • WHAT ELSE??
SUPPORT AND LOCOMOTION • LOCOMOTION IN HUMANS • THE SKELETAL SYSTEM • MADE UP OF TWO COMPONENTS • BONE & CARTILAGE
SUPPORT AND LOCOMOTION • LOCOMOTION IN HUMANS • WHAT PURPOSE DOES BONE SERVE? • SITES TO ATTACH MUSCLE • STRUCTURE AND SUPPORT • PROTECTION • STORAGE OF MINERALS (CALCIUM) • BLOOD CELL FORMATION
SUPPORT AND LOCOMOTION • LOCOMOTION IN HUMANS • HOW DO BONES FORM? • THEY START OUT AS “REGULAR” CELLS CALLED OSTEOBLASTS • OSTEOBLASTS MIX WITH COLLAGEN, CALCIUM, AND PHOSPHATE TO CREATE A “CEMENT” THAT HARDENS AND FORMS OSTEOCYTES (BONE CELLS) • OSTEOCYTES ARRANGE THEMSELVES IN CONCENTRIC CIRCLES FORMING BONES, BUT STILL ALLOWING CIRCULATION TO OCCUR WITHIN THE BONE • SPACE INSIDE BONE IS ALSO FILLED WITH MARROW • MARROW (RED AND YELLOW) • RED MARROW CREATES RBC’S, WBC’S, AND PLATELETS
SUPPORT AND LOCOMOTION • LOCOMOTION IN HUMANS • WHAT IS CARTILAGE? • A FLEXIBLE CONNECTIVE TISSUE • ALL SKELETALS IN EMBRYOS START OUT AS CARTILAGE, SLOWLY TURNS INTO BONE AS YOU GET OLDER (OSSIFICATION) • CHILDREN’S BONES HAVE MORE CARTILAGE, SO THEIR BONES ARE MORE FLEXIBLE, WHICH IS WHY THEY DON’T BREAK BONES AS EASILY
SUPPORT AND LOCOMOTION • LOCOMOTION IN HUMANS
SUPPORT AND LOCOMOTION • LOCOMOTION IN HUMANS • THE HUMAN SKELETON • AXIAL VS APPENDICULAR • AXIAL • SKULL • VERTEBRAE • RIBS • BREASTBONE • APPENDICULAR • PECTORAL GIRDLE • PELVIC GIRDLE • ARM BONES • LEG BONES
SUPPORT AND LOCOMOTION • LOCOMOTION IN HUMANS • THE HUMAN SKELETON • JOINTS • POINT IN THE SKELETON WHERE THE BONES MEET • HELD TOGETHER BY LIGAMENTS
SUPPORT AND LOCOMOTION • LOCOMOTION IN HUMANS • SKELETAL DAMAGE • DISLOCATIONS
SUPPORT AND LOCOMOTION • LOCOMOTION IN HUMANS • SKELETAL DAMAGE • FRACTURES
SUPPORT AND LOCOMOTION • LOCOMOTION IN HUMANS
SUPPORT AND LOCOMOTION • LOCOMOTION IN HUMANS
SUPPORT AND LOCOMOTION • LOCOMOTION IN HUMANS • THE MUSCULAR SYSTEM • UNDERSTANDING MUSCLES IS EXTREMELY COMPLEX, BECAUSE IT ISCONTROLLED AT A MOLECULARLEVEL • THE SIMPLE EXPLANATION IS THATTINY FIBERS CALLEDMYOFIBRILS ARE MADE UP OF SPECIAL PROTEINSTHAT INTERACT WITH EACH OTHER AND CAUSEMOVEMENT
SUPPORT AND LOCOMOTION • LOCOMOTION IN HUMANS • MUSCLE • THERE ARE 3 TYPES OF MUSCLE • SKELETAL (STRIATED) MUSCLE • VOLUNTARY MOVEMENT • SMOOTH MUSCLE • INVOLUNTARY MOVEMENT • CARDIAC MUSCLE • HEART MUSCLE
SUPPORT AND LOCOMOTION • LOCOMOTION IN HUMANS • WHAT IS A TENDON? • CONNECTIVE TISSUEBETWEENMUSCLE AND BONE • WHEN MUSCLECONTRACTS (MOVES)IT PULLS ON THE TENDON WHICHPULLS ON THE BONE,CAUSING MOVEMENT
SUPPORT AND LOCOMOTION • LOCOMOTION IN HUMANS • MUSCLE MOVEMENT • CONTRACTING VS RELAXING ANTA PG AO I N R I S S T I C
SUPPORT AND LOCOMOTION • WE JUST TALKED ABOUT VOLUNTARY AND INVOLUNTARY MOVEMENT…BUT WHAT ACTUALLY CONTROLS MOVEMENT? • THE BRAIN!! WHICH IS PART OF THE… • …. • …. • NEXT CHAPTER!!