state gov Rajasthan Animal Attendant (पशु परिचर) Mock Test 2023-24 General Science Chemistry Chemistry in Everyday Life
Which of the following statement is correct related to Histamine?
1
It contracts the smooth muscles in the bronchi and gut and relaxes other muscles, such as those in the walls of fine blood vessels.
2
It is not responsible for the nasal congestion associated with common cold and allergic response to pollen.
3
It is a chemical and does not found in the human body.
4
It has only the function to protect from allergies.