Which one of the following four secretions is correctly matched with its source , target and
Channel: Doubtnut
Date: 2020-02-02

Which one of the following four secretions is correctly matched with its source , target and nature of action ? ltimg src=\"https://d10lpgp6xz60nq.cloudfront.net/physics_images/ALN_BIO_NTUG_E01_031_Q01.png\" width=\"80%\"gt