Digestive System

Question 1

labels for digestive system

Answer 1

salviary gland
mouth
oesophugus
liver
pancreas
stomach
doudeunm
illum
colon and cecum
rectum
and anus

Question 2

what happens during ingestion

Answer 2

food is ingested ( taken in) through the mouth , where it is chewed up ( masicated) and formed into a ball ( bolus ) by the tonguw to enable swalloling

Question 3

what happens during perstalsis

Answer 3

the food is pushed into the osephugus and is conveyed by perstalsis ( alternate anagonstic contractions of the longitudinal and circular muscles of the wall of the alimentary canal) to the stomach

Question 4

digestion

Answer 4

food enter thr stomach through the cardaic sphincter ( a muscle which opens and closes the stomach bag). in the stomach food is churned mechanically and it is chemically broken down by gastric juices to a liquid ( chyme) . food in the stomach for about 5 hours while protein digestion begins

chyme passes through the pyloric sphincter muscle into the duodenum ( the first part of the small intestines) , pertalsis contiues to break down food , while gastric juices assist with chemical digestion

Question 5

absorbtion

Answer 5

absorption of digested food is the next part of small intestines
once nuterients from digested food have diffused into blood stream they are transported to the cells metabolism

Question 6

Egestion

Answer 6

Colon
Unidigested food passes through large intestines where water absorption takes place and forms into semi soild fescues

Fectus is stored in retum and excreted via anus

Question 7

What are proteins

Answer 7

Protease
Peptides and amino acids pass through cappliaries of small intestines into the bloodstream and are carried to liver , suitable for use in body tissue.
Excess excerted as urea by kidney
Repair damage cells / produce new ones

Question 8

Carbohydrates

Answer 8

Amalyse simple sugars
Glucose a sugar and a product for carbohydrates enters the bloodstream to be carried by liver regulated and stored for body tissues. Excess is turned into gat

Question 9

Fats

Answer 9

Lipiase
Fatty acids and glycerol
The products of fat digestion
Passes into the lacteals and transported through the lymphatic system before entering bloodstreeam

Provide energy

Question 10

Micro organisms

Answer 10

Assisting with absorption undigested carbohydrates
Suppressing harmful microbial growth
Stimulating an immune response go harmful bacteria
Prevent inflammatory bowel disease