Multiple choice

The body possesses many mechanisms that impart nonspecific defence. Which of the following does not protect body surfaces from infections?

  1. Skin

  2. Mucus

  3. Gastric acid

  4. Salivary amylase

  5. Gut microflora

Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

The enzyme splits starch and is of importance for digestion but not for protection.