In humans,approximately $35,000,000$ digestive pits are located in the ....... (in $/mm^2$)

Describe the tissue structure of the wall of the digestive tract.

Oblique muscle layer is present in

The mucosa of the stomach is thick and folded. What are the advantages of this?

Which of the following are found in the portal area of the liver?
$i$. Branch of hepatic portal vein
$ii$. Branch of hepatic vein
$iii$. Branch of bile duct
$iv$. Branch of hepatic artery
Select the correct option -

In which of the following layers are Brunner's glands found?