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Transport in Humans (THE CIRCULATORY SYSTEM (MAIN QUESTIONS ASKED(FAQS)…

- - - - BLOOD FLOWING IN THE ARTERIES IS AT A HIGHER PRESSURE BECAUSE IT NEEDS TO FLOW TO THE REST OF THE BODY. HENCE, A THICKER WALL IS NEEDED TO WITHSTAND THE HIGH PRESSURE OF THE BLOOD
    - - THE LEFT VENTRICLE NEEDS TO PUMP BLOOD TO THE REST OF THE BODY, SO IT MUST EXERT A HIGHER PRESSURE TO ENSURE BLOOD CAN FLOW TO HIGHER DISTANCES.THE RIGHT VENTRICLE PUMPS BLOOD TO THE LUNGS WHICH IS A SHORT DISTANCE, SO IT ONLY NEEDS TO PUMP BLOOD AT A LOWER PRESSURE.
    - - THE PRESSURE OF BLOOD IN THE VEINS IS VERY LOW, SO THE VALVES HELP BLOOD TO MOVE UPWARDS AGAINST THE GRAVITY TO REACH THE HEART FROM THE LOWER PART OF THE BODY
- - - - THE LIQUID PART OF BLOOD AND CONTAINS 90% WATER.
        
        TRANSPORTS EVERYTHING EXCEPT FOR OXYGEN.
    - - PREVENT BLOOD LOSS FROM DAMAGED BLOOD VESSELS BY FORMING CLOTS.
    - - RESPONSIBLE FOR CARRYING OXYGEN FROM THE LUNGS TO VARIOUS PARTS OF THE BODY.CONTAIN HAEMOGLOBIN. TO HELP THEM TRANSPORT OXYGEN MORE EFFICIENTLY AND CARRIES A SMALL AMOUNT OF CARBON DIOXIDE FOR REMOVAL.
    - - PART OF THE HUMAN IMMUNE SYSTEM.HELP FIGHT AGAINST DISEASES BY DESTROYING BACTERIA.
  - - - ALLOW THE EXCHANGE OF SUBSTANCES SUCH AS, OXYGEN, CARBON DIOXIDE, NUTRIENTS AND WASTE SUBSTANCES BETWEEN BLOOD AND BODY CELLS
    - - (PULMONARY ARTERY)> (LUNGS)> (PULMONARY VEIN)> (LEFT ATRIUM)> (LEFT VENTRICLE)>(ARTERIES)> (CAPILLARIES)(REST OF THE BODY)>(VEINS)>(RIGHT ATRIUM)>(RIGHT VENTRICLE)
        
        PULMONARY ARTERY
        
        CARRIES DEOXYGENATED BLOOD
        
        FROM RIGHT VENTRICLE TO THE LUNGS
        
        PULMONARY VEIN
        
        CARRIES OXYGENATED BLOOD
        
        FROM THE LUNGS TO THE LEFT ATRIUM
        
        ARTERIES
        
        CARRIES OXYGENATED BLOOD
        
        FROM THE LEFT VENTRICLE TO THE REST OF THE BODY
        
        VEINS
        
        FROM THE REST OF THE BODY TO THE RIGHT ATRIUM
        
        CARRIES DEOXYGENATED BLOOD
    - - VEINS
        
        LOWEST PRESSURE OF BLOOD
        
        HAS VALVES
        
        CARRY BLOOD TOWARDS THE HEART
        
        LARGE LUMEN
        
        THINNER MUSCULAR WALL
    - - THERE ARE VALVES PRESENT IN THE HEART
        
        THIS ENSURES THAT THE BLOOD ONLY MOVES ONE DIRECTION
      - PUMPS BLOOD TO ALL THE ORGANS IN THE BODY
      - THE HUMAN HEART IS A FUNNEL-SHAPED, HOLLOW AND A POWERFUL MUSCULAR ORGAN