By which of the following structures tongue is attached to the oral cavity?

Which is a specialised excretory cell found in Platyhelminthes that acts like a kidney, removing waste material through filtration?

What percentage of body weight of an adult human is contributed by muscles?

The stomach is divided into how many major portions?

There are approximately how many muscles in Human body?

Which part of the digestive system receives secretions from the liver and the pancreas?

Where does the mouth lead into the alimentary canal?

Insulin facilitates glucose uptake in