Mucus is secreted by:

$A$ patient suffering from cholera is given a saline drip because:

$A$ person had roti and dal for his lunch. Trace the changes in those during its passage through the alimentary canal. What are the various enzymatic types of glandular secretions in our gut helping digestion of food? What is the nature of end products obtained after complete digestion of food?

Match the following columns:

Column-$I$	Column-$II$
$a.$ Lysozyme	$(i)$ $HCl$
$b.$ Peptic cells	$(ii)$ Antibacterial enzyme
$c.$ Saliva	$(iii)$ Sublingual gland
$d.$ Oxyntic cells	$(iv)$ Pepsinogen

$A$ healthy person eats the following diet: $5 \, gm$ raw sugar,$4 \, gm$ albumin,$10 \, gm$ pure buffalo ghee adulterated with $2 \, gm$ vegetable ghee (hydrogenated vegetable oil),and $5 \, gm$ lignin. How many calories is he likely to get?

Identify the incorrect statement.