1
Q
The wall of the digestive tract has four layers which are?
A
- Mucosa: Innermost layer of the wall and composed of epithelial tissue.
- Submucosa: A thick layer of connective tissue that surrounds the mucosa. This layer also contains blood vessels, lymphatic vessels, and nerves.
- Muscularis: layers of muscle tissue responsible for movements of the digestive tract.
- Serosa: The outermost layer of the digestive tract.
2
Q
Accessory Organs of Digestive System?
A
- Salivary Glands
- Liver
- GallBladder
- Pancreas
3
Q
Three pairs of major salivary glands are?
A
o Parotid gland
o Sublingual gland
o Submandibular gland
4
Q
What does Saliva contain?
A
water, mucus, and digestive enzyme (amylase).
5
Q
What is secreted by liver cells and travels through the hepatic duct system into the small intestine where it is used to help in breaking down fat?
A
Bile
6
Q
The liver breaks down toxic substances and most medicinal products in a process called?
A
drug metabolism
7
Q
The bile is produced and secreted from the liver, stored and concentrated in the?
A
gall bladder
8
Q
a mixed gland that lies behind the stomach?
A
Pancreas
9
Q
Function of the pancreas?
A
Produces digestive enzymes
Biology - Digestive System
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