Chapter 4 / 7 short lessons
Nutrition in humans
Follow digestion and nutrient use, then see how the liver and pancreatic hormones control blood glucose.
G3 Combined Biology / K327 / K328 / 2027 syllabus
What do you think?
Bile makes large fat droplets smaller. Has it chemically digested the fat?
Lessons
0 of 7 marked as readThe journey through the digestive system
Locate the main digestive organs and distinguish ingestion, digestion, absorption, assimilation and egestion.
About 6 minDigestive enzymes and bile
Match digestive enzymes to their substrates and products, and distinguish digestion from emulsification.
About 6 minAbsorption, assimilation and the liver
Trace absorbed nutrients through the hepatic portal vein and explain assimilation.
About 5 minThe liver processes more than glucose
Explain the liver's roles in glucose storage, fat digestion, amino acid metabolism, urea formation and substance breakdown.
About 6 minHormones carry chemical messages
Define a hormone by its production, blood transport and effects on specific target organs.
About 4 minBlood glucose control
Outline how insulin and glucagon regulate blood glucose concentration.
About 6 minType 2 diabetes and glucose control
Explain type 2 diabetes, its risk factors and broad management approaches.
About 5 minWhat you will be able to do
- Trace the functions of digestive organs and enzymes.
- Explain the liver and hepatic portal vein.
- Connect hormones to glucose regulation and type 2 diabetes.