In human digestive system, the enzymes pepsin and trypsin are respectively secreted by:

We use ganji (boiled rice water) for conducting action of saliva in the digestive system.

(C) Fasciola hepatrica

Pepsin is secreted into stomach.

The first enzyme that mixes with food in the digestive system is Ptyalin.

Pepsin : Proteins :: Lipase : Fats

1. Hepatic caeca  2. Malpighian tubules  For functions:  Hepatic caeca: These are thin, transparent, short, blind (closed) and hollow tubules.  Function: They secrete digestive enzymes.  For functions:  1. Malpighian tubules are the main excretory organs of...

D) Propulsion → Grinding → Retropulsion

(B) Adrenalin

Answer is (B) i and ii

(d) duodenum