7.7 State two factors that should be kept constant in this… 7.7 State two factors that should be kept constant in this investigation. (2) Read Details
2.2 Anaerobic respiration in muscles release carbon dioxid… 2.2 Anaerobic respiration in muscles release carbon dioxide. (1) Read Details
10.2 Explain why the walls of the right and left ventricle… 10.2 Explain why the walls of the right and left ventricles differ in thickness. (2) Read Details
2.5 Plants are able to carry out photosynthesis because th… 2.5 Plants are able to carry out photosynthesis because they contain the organelle known as a(n) mitochondrion. (1) Read Details
6.4 Explain why the patient might need to change the speed… 6.4 Explain why the patient might need to change the speed of the pump. (1) Read Details
2.1 The green pigment that absorbs light energy is chlorop… 2.1 The green pigment that absorbs light energy is chlorophyll. (1) Read Details
6.2 Suggest why the batteries for the heart pump are place… 6.2 Suggest why the batteries for the heart pump are placed outside the body. (1) Read Details
