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HOW ANIMALS MOVE.

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Presentation on theme: "HOW ANIMALS MOVE."— Presentation transcript:

1 HOW ANIMALS MOVE

2 HOW ANIMALS MOVE DIVERSE MEANS OF ANIMAL LOCOMOTION HAVE EVOLVED
ACTIVE TRAVEL FROM PLACE TO PLACE SWIMMING WATER SUPPORTS WEIGHT, BUT INCREASE IN FRICTION LOCOMOTION ON LAND HOPPING, WALKING, RUNNING, AND CRAWLING FLYING ACCOMPLISHED BY WINGS AND LIFT

3 HOW ANIMALS MOVE LOCOMOTION ON LAND
EARTHWORMS HAVE TINY BRISTLES (SETAE) THAT ANCHOR IT TO GROUND, PROVIDE TRACTION WHILE EXPANDING AND CONTRACTING

4 HOW ANIMALS MOVE SKELETONGS FUNCTION IN SUPPORT, MOVEMENT, AND PROTECTION HYDROSTATIC SKELETON FLUID HELD UNDER PRESSURE IN A CLOSED BODY COMPARTMENT EXOSKELETON RIGID, EXTERNAL SKELETON; *DOES NOT GROW WITH ORGANISM* ENDOSKELETON CONSISTS OF HARD OR LEATHERY SUPPORTING ELEMENTS SITUATED AMONG THE SOFT TISSUES OF THE ANIMAL

5 HOW ANIMALS MOVE THE HUMAN SKELETON IS A UNIQUE VARIATION ON AN ANCIENT THEME AXIAL SKELETON CONSISTS OF THE SKULL, THE BACKBONE, AND A RIBCAGE APPENDICULAR SKELETON MADE OF THE BONES OF THE FORELIMBS AND HIND LIMBS, THE SHOULDER GIRDLE, AND THE PELVIC GIRDLE

6 HOW ANIMALS MOVE 3 TYPES OF JOINTS BALL-AND-SOCKET HINGE PIVOT

7 HOW ANIMALS MOVE SKELETAL DISORDERS AFFLICT MILLIONS
ARTHRITIS INFLAMMATION OF THE JOINTS OSTEOPOROSIS WEAK BONES BONES ARE COMPLEX LIVING ORGANS YELLOW BONE MARROW STORED FAT RED BONE MARROW PRODUCE RED BLOOD CELLS

8 HOW ANIMALS MOVE BROKEN BONES CAN HEAL THEMSELVES
TREATMENT INVOLVES TWO STEPS SETTING THE BONE BACK IN PLACE IMMOBILIZING IT SO IT HEALS CORRECTLY

9 HOW ANIMALS MOVE THE SKELETON AND MUSCLES INTERACT IN MOVEMENT TENDONS
CONNECTIVE T ISSUE BETWEEN BONES AND MUSCLES MUSCLES MUST EXIST IN ANTAGONISTIC PAIRS

10 HOW ANIMALS MOVE EACH MUSCLE CELL HAS ITS OWN CONTRACTILE APPARATUS
SKELETAL MUSCLE ATTACHED TO SKELETON AND PRODUCES MOVEMENT MYOFIBRILS BUDLE OF FIBERS THAT MAKE UP SKELETAL MUSCLE SARCOMERES MAKE UP MYOFIBRILS MADE UP OF 2 PIECES THIN FILAMENT (ACTIN) THICK FILAMENT (MYOSIN)

11 HOW ANIMALS MOVE A MUSCLE CONTRACTS WHEN THIN FILAMENTS SLIDE ACROSS THICK FILAMENTS

12 HOW ANIMALS MOVE MOTOR NEURONS STIMULATE MUSCLE CONTRACTION
NEUROMUSCULAR JUNCTION SYNAPSE BETWEEN THE MOTOR NEURON AND THE MUSCLE FIBERS

13 HOW ANIMALS MOVE THE STRUCTURE- FUNCTION THEME UNDERLIES ALL THE PARTS AND ACTIVITIES OF AN ANIMAL

14 HOW ANIMALS MOVE ONLY ONE CHAPTER/TOPIC LEFT!!!!
THE PLANTS THAT KEEP US ALL ALIVE!!


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