xylem Liver phloem Action potential alveoli Sensory neurone bronchi Motor neurone bronchiole Relay neurone haemoglobin Cerebrum xerophyte Cerebellum hydrophyte Medulla oblongata virus Pituitary gland fungus Transcription vector factor neutrophil Plasmid T cell B cell Antibody Antibiotic
xylem phloem alveoli bronchi bronchiole haemoglobin xerophyte hydrophyte virus fungus vector neutrophil T cell B cell Antibody Antibiotic Liver Action potential Sensory neurone Motor neurone Relay neurone Cerebrum Cerebellum Medulla oblongata Pituitary gland Transcription factor Plasmid