Question

digestive secretions are secreted only when needed. discuss.​

Answer 1

Explanation:

insoluble food materials like carbohydrates, proteins and lipids into simplex, soluble food materials like glucose and fructose, amino acids and fatty acids and glycerol. These digestive secretions act only when food materials are available in the alimental canal.

Answer 2

Answer:

Digestive glands are exocrine glands which secrete biological catalysts called enzymes. These enzyme convert the complex. insoluble foodmaterials like carbohydrates, proteins and lipids into simplex, soluble food materials like glucose and fructose, amino acids and fatty acids and glycerol. These digestive ccretions act only when food materials are available in the alimental)’ canal.

Explanation:

hope it helps you