B5 part 1
- Created by: charlie
- Created on: 21-05-13 12:19
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- B5
- bones and cartilage
- vertebrates
- internal skeleton
- grow with body
- attach muscles to framework
- flexible
- internal skeleton
- long bones
- start as cartilage
- ossification
- deposits calcium and phosphorus
- ossification
- hollow
- bone marrow makes red BC
- start as cartilage
- damage
- osteoporosis
- vertebrates
- joints and muscles
- synovial joints
- hinge
- ball and socket
- cartilage
- stops rubbing+shock absorber
- s membrane
- s fluid for lubrication
- antagonistic pairs
- ligaments and tendons
- synovial joints
- circulatory system
- single cell organisms
- diffusion
- multicellular
- blood c.system
- single c. system
- low BP
- two heart chambers
- double c.system
- high BP
- materials quicker transportation
- four heart chambers
- single c. system
- blood c.system
- unborn babies
- hole in heart
- blood bypass lungs
- O2 from mother placenta
- hole in heart
- single cell organisms
- cardiac cycle
- how heart contracts (one cycle)
- Galen (Greece)
- cut open animals
- knew about chambers
- arterial blood made by heart
- blood in veins made by liver
- arterial blood made by heart
- knew about chambers
- cut open animals
- william Harvey (1578-1657)
- valves stopped backflow
- heart=pump
- pulse=heart pump blood into arteries
- same blood circulated
- pulse=heart pump blood into arteries
- heart=pump
- valves stopped backflow
- heart rate
- affected by hormones (adrenaline)
- inc. by exercise
- heart pacemaker
- SAN stimulate AVN to contract
- Electrocardiograms
- electrical activity of heart
- heart attacks
- irregular heartbeats
- echo-cardiogram
- ultrasounds
- enlarged heart
- decrease pumping ability
- valves
- ultrasounds
- heart disease
- hole in heart
- gap in wall between A or V
- O2 and non O2 blood mix
- surgery
- gap in wall between A or V
- valve damage
- high BP doesnt open
- low BP allows backflow
- artificial valve
- CHD
- bad cholesterol blocks coronary arteries
- coronary bypass op
- artificial replacements
- not recognised as foreign
- not last long
- hole in heart
- blood clotting and transfusions
- platelets- chemical reaction- exposed to damaged blood vessels
- fibrin fibre mesh
- clots the area
- too little
- bleed to death
- haemophilia
- missing clotting factor injected
- haemophilia
- bleed to death
- too much
- stoke or DVT
- take drugs
- stoke or DVT
- transplants and organ donation
- criteria
- young and healthy
- similar body weight
- tissue match +died recently
- over 18+permission
- rejection
- foreign and I.S attack
- I.S suppressive drugs
- ethical issues
- life/death up to God
- pressuered
- join opt in system
- mechanical replacement
- heart-lung machines
- blood and O2 pump during op
- kidney dialysis
- filter blood
- mechanical ventilators
- push air in and out of lungs
- power supply, large and non harmful materials
- heart-lung machines
- criteria
- respiratory system
- inspiration and expiration
- throax vol. inc and dec
- lung capacity
- measured by spirometer
- gaseous exchange
- alveoli adapted
- large SA
- moist
- permeable surface
- good BC supply
- alveoli sacks
- amphibians exchange through skin
- fish through gills
- water O2 supply keeps gills separated
- alveoli adapted
- inspiration and expiration
- bones and cartilage
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