Calciferous glands are present in Earthworm in –
(a) pharynx & gizzard
(b) stomach & buccal cavity
(c) pharynx & stomach
(d) only in stomach
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answer is d). only in stomach
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The calciferous glands are present in earthworm in the stomach
Option (d)
Explanation:
- The calciferous glands which are are present in the earth form are found in one end of the oesophagus. They are not found in pharynx.
- They actively secret Bicarbonate ion into the the oesophagus and the gastric part.
- This helps in the regulation of the acidity of these region. They help in the digestion of the nutrients in Cockroaches.
- They also help in maintaining the acid base balance in the body
To know more about earthworm,
Give the difference between leech and earthworm. Brainly.in
https://brainly.in/question/12732267
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