The digestive system

Question 1

Describe the gastrointestinal tract

Answer 1

Mouth
Pharynx
Oesophagus
Stomach
Small intestine (duodenom, jejenum, ileum)
Large intestine

Question 2

What are the accessory organs?

Answer 2

Teeth, tongue, salivary glands, liver, biliary apparatus, pancreas

Question 3

What occurs in ingestion?

Answer 3

Putting food in our mouth, using our teeth, tongues and saliva to break it down

Question 4

What occurs in secretion?

Answer 4

The oesophagus secretes mucus to help food to travel to the stomach

Question 5

What occurs in motility?

Answer 5

The stomach churns to help break down the food and mix the digestive enzymes

Question 6

What happens in digestion?

Answer 6

HCL is released to denature proteins and kill pathogens
Pepsin is produced to break down proteins
The duodenom continues digestion through secretion from liver, gall bladder, pancreas

Question 7

What happens in absorption?

Answer 7

Jejunum and ileum absorb the majority of nutrients and water

Question 8

What happens in defacation?

Answer 8

Large intestine connects small intestine and rectum and absorb last parts of water and salts
It is structured as:
Cecum, ascending column, transverse column, descending column, sigmoid column, rectum

Ileocecum valve prevents content of large intestine entering small intestine