Concept explainers
Introduction:
The allergic substances are known as allergens. This causes allergy. The substance that released in the body to cause most of the symptoms of allergies is allergens.
Answer to Problem 32A
Correct answer:
The correct answer is option (B) allergens.
Explanation of Solution
Explanation/justification for the correct answer:
Option (B) allergens. A substance that causes an allergic reaction is called an allergen. There are many allergens that are harmless to most of the people. The human body carries out an allergic cascade in three stages that are sensitization, early-phase, and late-phase. So, this is a correct answer.
Explanation for incorrect answer:
Option (A) insulin. Insulin is considered to be the main anabolic hormone of the body. It regulates the
Option (C) Histamin. Histamine is an organic nitrogenous compound that involved in local immune responses. So, this is an incorrect answer.
Option (D) Acetylcholine. Acetylcholine is an organic chemical. The chemical messages released by nerve cells to send signals to other cells so, this is incorrect.
Chapter 37 Solutions
Biology Illinois Edition (Glencoe Science)
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