The digestive system is also known as _________.
The digestive system is also known as _________.
Digestive system includes______ intestine and ________ intestine.
Digestive system includes______ intestine and ________ intestine.
Milk always meets in the stomach a digestive juice
Milk always meets in the stomach a digestive juice
stomach acid unfolds proteins, exposing them to digestive enzyme.
stomach acid unfolds proteins, exposing them to digestive enzyme.
Which organ is an accessory organ of the digestive system？ A: cecum B: colon C: gallbladder D: esophagus
Which organ is an accessory organ of the digestive system？ A: cecum B: colon C: gallbladder D: esophagus
Which of the following organs is parenchymal organ？ A: blood vessel B: digestive tract C: ureter D: lung
Which of the following organs is parenchymal organ？ A: blood vessel B: digestive tract C: ureter D: lung
Which of the following organ is not an accessory organ of the digestive system？ A: pancreas B: gallbladder C: liver D: esophagus
Which of the following organ is not an accessory organ of the digestive system？ A: pancreas B: gallbladder C: liver D: esophagus
A pseudocoelom lacks( ). A: peritoneum and mesenteries B: muscles C: a digestive tract D: excretory organs E: reproductive organs
A pseudocoelom lacks( ). A: peritoneum and mesenteries B: muscles C: a digestive tract D: excretory organs E: reproductive organs
Which of the following are the excretory organs of insect? A: Malpighian tubules B: integument C: digestive tract D: tracheal system
Which of the following are the excretory organs of insect? A: Malpighian tubules B: integument C: digestive tract D: tracheal system
Which substance is produced by endocrine glands: A: saliva B: milk C: stomach acid and digestive enzymes D: insulin
Which substance is produced by endocrine glands: A: saliva B: milk C: stomach acid and digestive enzymes D: insulin