Key Terms — Human Transport Flashcards
Lymphocytes
Large round nucleus
Make antibodies to clump pathogens
Phagocytes
WBC w lobbed nuclei to engulf pathogens
Blood plasma
Straw coloured liquid in blood
Transport dissolved substances
Mainly water
Platelets
Fragments of cells made in bone marrow for blood clot
Biconcave disc
Sharpe of RBC
Inc SA
Short diffusion distance
Vena cava
Deoxygenated blood from body to heart
Pulmonary artery
Deoxygenated blood from heart to lungs
Pulmonary vein
Oxygenated blood from lungs to heart
Aorta
Oxygenated blood from heart to body
Bicuspid valve
Valve preventing blood flowing backwards from left ventricle to left atrium
Tricuspid valve
Prevent back flow of blood from right ventricle to right atrium
Semilunar valves
Prevent black flow of blood from aorta / pulmonary arteries to ventricles
Lumen
Hole of blood vessels
Artery
Transports oxygenated blood except pulmonary artery
Veins
Carry deoxygenated blood to the heart
Except pulmonary vein
Thin muscle wall, wide lumen, low pressure
Have valves
Capillaries
Branched off from arteries
Close contact w cells
Thin, permeable wall
Diffuse substances in and out by conc gradient
Blood plasma —> tissue fluid —> cells
Pulmonary
Lung adj
Hepatic
Liver adj
Renal
Kidney adj
Hepatic portal vein
Digestive system to liver
To detoxify
Prothrombin
Inactive
Thrombin
Active
Turns fibrinogen to fibrin
Fibrinogen
Soluble protein
Fibrin
Insoluble fibre
Trap RBC and platelets to clot blood
Turns into scab
