.2 cell division

Subdecks (3)

Human digestive system 
Provides the body with nutrients
Human respiratory system 
Provides the body with oxygen and removes carbon dioxide
Digestive and respiratory systems
Provide dissolved materials that need to be moved quickly around the body in the blood by the circulatory system
Damage to any of these systems can be debilitating if not fatal
There has been huge progress in surgical techniques, especially with regard to coronary heart disease
Many interventions would not be necessary 
If individuals reduced their risks through improved diet and lifestyle
Plant's transport system 
Dependent on environmental conditions to ensure that leaf cells are provided with the water and carbon dioxide that they need for photosynthesis