gastrointestinal tract, digestive tract, circulatory system, intestines, capillaries, gi tract, abdominal cavity, peritoneal cavity, small intestine, cell membrane, lymphatic system, nasal cavity, lungs, subarachnoid space, pancreas, clot, cerebrospinal fluid, phloem, monocytes, toxins, neutrophils, spinal fluid, esophagus, adrenal cortex, secretions, bronchial tubes, lysosome, mucus, placenta, extracellular fluid, aqueous humor, venous blood, fatty tissue, chest cavity, cytoplasm, respiratory tract, hindgut, olfactory nerve, lymphatics, mucous membrane, cytosol, ascorbate, tissues, vitreous humor, epididymis, heme, interstitial fluid, vesicle, buccal cavity, lymph, lipoproteins, pores, merozoites, endocytosis, liver, saliva, pepsin, endosome, uterus, microfilaria, acetaldehyde, macrophages, aorta, stratum corneum, sphingomyelin, cells, cystine, dermis, neurotoxin, leukocytes, erectile tissue, molecules, pericardial sac, vacuoles, embolus, glucose, particles, leucocytes, plasminogen, liposome, hemolymph, lipids, bacteria, triphosphate, lymphocytes, tubule, thoracic duct, sebaceous glands, macromolecules, duodenum, fallopian tube, excretion, alimentary tract, pleural cavity, aspirate, erythrocytes, urate, urease, neurotransmitter, bronchioles, pyruvate, ubiquinone, powerhouse, arena, marketplace, predominate, psyche, collective, culture, dominance, interests, armoury, attitudes, center, central, common, freedom, ghetto, maelstrom, malaise, oppression, physiognomy, fetus, cervix, nuclei, rectum, cornea, cerebellum, hippocampus, medulla, norepinephrine, scrotum, undetectable, equator, retina, urethra, abdomen, pharynx

artificial kidney, blood glucose, blood poisoning, blood sugar, chelation, chylomicron, ductless gland, endocrine, endocrine gland, existing, gland, glandular fever, haemodialysis, hemodialysis, hemodialyzer, infectious mononucleosis, kissing disease, lipase, miliary tuberculosis, mono, mononucleosis, secreter, secretor, secretory organ, septicaemia, septicemia, septicemic plague, skin patch, transdermal patch

cardiovascular system

blood