Final answer:
Hormones have various effects on the body, regulating different functions and organ systems. They interact with target cells and play a crucial role in physiological processes.
Step-by-step explanation:
Hormones have a wide range of effects on the body. They can regulate metabolism, reproductive functions, homeostasis of ions and molecules, and mediate responses to stressful situations. Different hormones have different effects and can affect multiple organ systems.
They travel through the bloodstream and interact with target cells that have receptors for them. Hormones play a critical role in regulating physiological processes such as human reproduction, growth, metabolism, fluid balance, and many others.