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Ivy Tech APHY 201 Exam 2 2025 Questions and Answers Definition of a Hormone - --Answer --A chemical secreted directly to the blood that travels to travels to distant target cells and exerts its effects at low concentrations Discrete Endocrine Organs - --Answer --Hypothalamus, Pituitary, Pineal, Thyroid, Parathyroids, Thymus, Pancreas, Adrenals, Ovaries, Testes Diffuse Endocrine Cells - --Answer --Endocrine cells scattered throughout non-endocrine organs that produce hormones (heart, stomach, small intestine, liver (prohormones), kidneys, skin,adipose tissue) What is the degree of target cell response to a hormone determined by? - -Answer --The number and type of receptors on the target cell, blood concentration of the hormone Cells with more receptors, or higher affinity receptors will... - --Answer -- respond at a greater rate than cells with fewer or lower affinity receptors ....COPYRIGHT ©️ 2025 ALL RIGHTS RESERVED...TRUSTED & VERIFIED 1