Advertisements
Advertisements
प्रश्न
Describe the human salivary gland.
Advertisements
उत्तर
Salivary Glands - Three pairs in man and secrete 1000 to 1500 cc saliva per day. Saliva is slightly acidic and its pH is 6.8.
There are three types of salivary glands:
- Parotid glands: It is the largest salivary gland and situated near the ears. It opens into oral cavity by Stenoson's duct.
- Sublingual glands: It is located beneath the tongue. It opens into the floor of oral cavity by duct of Rivinus.
- Submadibular or sub-maxillary glands: It is situated at the angles of the lower jaws. It opens inot oral cavity by Whartson's duct.
Each gland secret secretes saliva which is transported to the mouth cavity. At the time secrete saliva.
APPEARS IN
संबंधित प्रश्न
Fill in the blank and rewrite the completed statement:
.................... is the largest gland in the body.
Match the items of Column I with suitable items in Column II.
| Column I | Column II | ||
| (a) | Salivary gland | (i) | Bile juice secretion |
| (b) | Stomach | (ii) | Storage of undigested food |
| (c) | Liver | (iii) | Saliva secretion |
| (d) | Rectum | (iv) | Acid release |
| (e) | Small intestine | (v) | Digestion is completed |
| (f) | Large intestine | (vi) | Absorption of water |
| (vii) | Release of faeces |
Which of the organs performs the function in humans?
Absorption of food
Put a tick (✓) against the most appropriate alternative in the following statement.
Saliva converts starch into:
Name the types of teeth seen in humans.
Write true or false for the below statement. Rewrite the false statements correctly.
All the absorbed nutrients are immediately required by the body.
Name different steps involved in animal nutrition. Explain.
Name the types of teeth in human with functions.
State whether the following statements are True or false: Pancreatic amylase digests protein into amino acids.
Describe the digestion of food in small intestine.
Correct the spellings: Ptorein
Name the organs of the digestive system
Bile helps in the digestion of ______.
A calcified connective tissue from which the basic shape of the tooth is derived is known as ______.
Which sphincter guards the opening of the hepato-pancreatic duct?
List the glands associated with digestion.
What are villi?
