Question

write the function of alimentary canal : saliva, hcl in stomach ,bile juice, villi

Answer 1

Answer:

saliva: it is secreted by 3 glands. Salivary amylase breaks down starch into simpler compounds.

HCL: it creates an acidic medium for pepsin which acts on proteins to break it down

Bile Juice: it is secreted by the liver and  turns large fat globules to smaller globules

Villi: it provides a large absorbative surface which transports food materials to different body parts.

Explanation: