Endocrine vs Exocrine Glands | Chemical Coordination & Integration | NEET 2026| English + Telugu

In this NEET Biology 2026 lecture, we explain Chemical Coordination and Integration, focusing on Endocrine vs Exocrine glands and their differences. This lecture also covers mixed glands, properties of hormones, the first hormone discovered (Secretin, 1902), and important contributions like Thomas Addison – the Father of Endocrinology.

✦ Topics Covered in this Lecture:

Neural vs Endocrine System → Point-to-point vs Hormonal coordination

Endocrine Glands → Ductless, secrete hormones into blood

Exocrine Glands → Ducts present, enzymes, sweat, tears, saliva, oil

Mixed / Heterocrine Glands → Pancreas, Testes, Ovaries

Properties of Hormones → Non-nutrient, highly specific, trace amount, very active

First hormone discovered → Secretin (1902, Bayliss & Starling)

Thomas Addison → Father of Endocrinology

Endocrine system in Invertebrates vs Vertebrates.