JAMB - Biology (2000 - No. 17)
Bacteria in the large intestine of man are important in the
synthesis of vitamins K and B2
digestion of vegetables
synthesis of vitamins A and D
absorption of water
הֶסבֵּר
Bacteria in the large intestine also make some important substances, such as vitamin K (see Vitamin K), which plays an important role in blood clotting.