CXC CSEC Human and Social Biology: Life processes: Nutrition: Tooth decay
CXC CSEC Human and Social Biology: Life processes:
Nutrition: Tooth decay
Youtube video
CXC CSEC Human and Social Biology video tutorials
CXC CSEC Human and Social Biology: Life processes:
Nutrition: Tooth decay
Youtube video
CXC CSEC Human and Social Biology:
Disease and its impact on humans: Cholera
What is cholera?
Cholera is an acute intestinal infection caused by ingestion of food or water contaminated with the bacterium Vibrio cholerae.
How is cholera spread?
CXC CSEC Human and Social Biology: Disease and its impact on humans:
Sewage disposal practices: Alternatives to the pit latrine
These video tutorials discusses the health risks posed by inadequate sewage disposal practices. It also presents the Ecological Sanitation or Ecosan toilet as an alternative to traditional pit latrines.
CXC CSEC Human and Social Biology: The Impact of Health Practices on the Environment:
Large scale waste water treatment: Animated tutorial
CXC CSEC Human and Social Biology: The Impact of Health Practices on the Environment:
Large scale water purification: Animated tutorial
CXC CSEC Human and Social Biology: Life processes:
Excretion and homeostasis: The skin: Interactive demonstration
CXC CSEC Human and Social Biology: Life processes:
The skeletal system: The human skeleton: interactive game