Which of the following substances is not secreted into the digestive system? Question 17 options:

Salivary amylase

Mucus

Insulin

Bile

Many factors influence your mental and emotional health

What is one technique to a person get proper sleep? eat a heavy meal before bed. exercise intensely before bed. practice relaxation breathing before bed. use electronics before bed.

Which of the following can be effective in preventing the onset of viral infection in humans? a) taking vitaminsb) getting vaccinatedc) taking antibioticsd) taking drugs that inhibit transcription