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25 Cards in this Set
- Front
- Back
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5 functions of mammalian skeleton |
Producing blood cells Movement Mineral storage Protection Support |
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Example of hydrostatic skeleton |
Jellyfish Worms |
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Example of exoskeleton |
Ladybird Scorpion |
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Example of endoskeleton |
Lion Dogs |
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Define axial skeleton |
Supports and protects the brain, spinal cord and internal organs |
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4 parts of a spine |
Cervical vertebrae Thoracic vertebrae Lumbar vertebrae Sacrum |
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What are the bits between vertebrae called |
Intervertebral discs |
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Adaptations to bone structure of birds |
Bones are pneumatised- they have air pockets and are reinforced with a honeycomb structure which makes the bonds lighter but strong |
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Joint types Define synarthroses and give example |
Immovable joints where two bones are fused together Skull |
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Joint types Define amphiarthroses Give example |
Stiff and slightly moveable Distal joint between tibia and fibula |
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Joint types Define diarthroses (synovial joints) |
Many degrees of movement - moves in one plane Elbow, ankle |
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Bones and muscles are connected by... |
Tendons |
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Bones and bones are connected by... |
Ligaments |
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What does synovial fluid do |
Reduces friction between cartilage of synovial joints during movement |
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Synovial joints Name all 4, what they do and examole |
Ball and socket- allow full rotation eg hips Hinge - can only move along one axis eg elbow Gliding joint - allows movement in all directions eg ankle Pivot - allows movement on an axis eg neck |
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Name 7 functions of integumentary system |
Protection Communication Sensory Secretion Production of vitamin D Storage Thermoregulation |
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Structure of skin and glands What is epidermis |
Made up of stratified squamous epithelium and has many layers |
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Structure of skin and glands What is dermis |
Deep layer of dense connective tissue |
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Structure of skin and glands What is hypodermis |
Made of loose connective tissue and fat with elastic fibres |
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Name 3 skin glands |
Sebaceous, sweat, mammary |
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Hair Location, structure and function of guard cells |
Outer hair Long, course Enables flexibility, gives a smooth surface which allows rain to slide off |
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Hair Give location, structure and function of wool hairs |
Undercoat of animals Thin, wavy, soft hairs Keeps animal warm, protection |
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Give location, structure and function of tactile hairs |
Found on face near eyes and upper lip Thicker and stiffer than other hairs Sensory function |
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Horns vs Antlers Give information on both |
Horns- living bone, wrapped in keratin, permanent structure, vary in shape and size, functions are for defence from predators, weapons when fighting and courtship displays Antlers- dead bone, covered in velvet, growth cycle for breeding season, functions are providing weapons for female and territory defence during breeding season |
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Vsh |
Shsn |
