20 terms

Year 8 Digestive system

by E. Hung 2014 Organ - Organ Function - Secretions - Secretion Function ~Mouth - 1. Mechanical Digestion 2. Carbohydrate digestion via saliva. - 1. Salivary amylase 2. Saliva - 1. To break down starches 2. Lubricate food. ~Esophagus - Peristalsis (contraction of esophagus muscles to move bolus into stomach) ~Stomach - Stores food and both types of digestion occur. - 1. Mucous 2. Hydrochloric acid 3. pepsinogen - 1. Lubricate wall linings/ protect against acid. 2. Kills pathogens. 3.…
STUDY
PLAY
Small intestine
The longest part of digestive system where most digestion takes place.
Amino acids
The end products of digestion of proteins.
Bile
Liver produces a fluid called ____________ that is important for fat digestion.
Gallbladder
The organ that stores Bile.
Colon
Large intestine is also called the __________.
Large intestine
The part of the digestive system with a shape of letter n.
Dietary fibres
________________ reaches the large intestines undigested which provides bulk.
Mouth
The organ involves Mechanical Digestion and partial digestion of starch.
Esophagus
The part of digestive system in between the mouth and the stomach.
Stomach
The thickest part of the digestive system where proteins are partially digested and gastric juice is secreted.
Pancreas
_____________neutralise stomach acid and secrete digestive enzymes.
Liver
__________ makes bile and helps to store glucose.
Anus
The other end of the digestive system where faeces is expelled.
Glucose
The end products of carbohydrates and other sugars such as sucrose and lactose.
Fatty acids
__________________ and glcerols are the end products of fats and oils.
Enzymes
Chemicals secreted by the digestive system to digest food.
Appendix
The small part that is found in between small and large intestine but not involved in digestion.
Peristalsis
Involuntary waves of muscle contraction that keep food moving along in one direction through the digestive system.
Villi
Fingerlike projection of the inner surface of the small intestine to increase the surface area for absorption of digested food.
Duodenum
first part of small intestines, most digestion takes place, chemicals released from liver, gall bladder, and pancreas