oxygenation of tissue excretion of toxic wastes transportation of blood cells digestion and absorption of food
I am hesitating between 4 options to answer the following question, which option should I choose?
Question: Which best describes the function of the small intestine?
Possibilities:
- oxygenation of tissue
- excretion of toxic wastes
- transportation of blood cells
- digestion and absorption of food

digestion and absorption of food