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Bio q Respiration and photosynthesis Unit 5 Describe how light energy absorbed by chlorophyll molecules is used to synthesise ATP. Excitation of chlorophyll molecule/electrons/…

Education Cardiovascular system

1. HEART Hollow, muscular organ 300 grams (size of a fist) 4 chambers Found in chest between lungs Surrounded by membrane calledpericardium Pericardial…

Documents The CIRCULATORY System

The CIRCULATORY System Unit 3 Transportation Systems Functions of the Circulatory System Transportation of nutrients and waste heat oxygen and carbon dioxide hormones antibodies…