dairy products / A. food / nutritious food / transportation / food collects / system or network / body systems / chemicals / transportation system / food / energy / /
MedicalCondition
colon cancer / hypertension / disease / high blood pressure D. waste / infection / such disorder / D. lung cancer / Disorders / heart tissue B. heart attacks / /
MedicalTreatment
relaxation / /
Organization
Cells and Systems Unit / Systems Unit / /
Person
C. Matthias Schleiden / A. Anton van Leeuwenhoek / Anton van Leeuwenhoek / D. Theodore Schwann / B. Robert Hooke / /