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2 × pith 2 × protista-kingdom 2 × receptacle 2 × centromere 2 × osmosis 2 × protoplasm 2 × phototropism 2 × meiosis 2 × dna 2 × pharynx 2 × enzymes 2 × chromosomes 2 × embryo 1 × systemic circuit 1 × purkinje fibers 1 × pulmonary circuit 1 × precapillary sphincter 1 × plasma protein 1 × colony-stimulating factor 1 × atrioventricular (av) valve 1 × vocal cord 1 × vital capacity 1 × tidal volume 1 × residual volume 1 × partial pressure 1 × oxyhemoglobin 1 × internal respiration 1 × external respiration 1 × carbaminohemoglobin 1 × bicarbonate ion 1 × lveolus 1 × tendinitis 1 × duchenne muscular dystrophy 1 × cramp 1 × convulsion 1 × cardiac muscle 1 × bursa 1 × amyotrophic lateral sclerosis 1 × adenosine triphosphate 1 × sarcoplasmic reticulum 1 × oxygen debt 1 × origin of muscle 1 × myofibril 1 × motor unit 1 × fascicle 1 × venule 1 × villus 1 × salivary gland 1 × large intestine 1 × essential amino acids 1 × anorexia nervosa 1 × urinary bladder 1 × tubular secretion 1 × tubular reabsorption 1 × renal pelvis 1 × renal medulla 1 × renal cortex 1 × loop of henle 1 × kidney tubules 1 × glomerular capsule