FreeNotes
In biology, coordination refers to the regulation and integration of different physiological processes in living organisms to maintain homeostasis and ensure proper functioning. It involves the communication and interaction between different systems, cells, and organs to respond to internal and external stimuli. Key examples of biological coordination include: Nervous System Coordination: The nervous system, particularly … Read more
Endocrine messages and nervous messages both communicate information within the body, but they differ significantly in how they are transmitted and their effects: Mode of Transmission: Endocrine messages are transmitted through the bloodstream. Hormones are released by glands and travel through the circulatory system to target cells or organs. Nervous messages are transmitted through electrical … Read more
During stress, the body activates its fight-or-flight response, and adrenaline (also called epinephrine) plays a key role in this process. Here’s what happens when adrenaline is secreted during stress and the effects it has: 1. Adrenaline Secretion: When the brain perceives a threat or stressor, it signals the adrenal glands (located above the kidneys) to … Read more
Insulin is a crucial hormone in the body that helps regulate blood sugar (glucose) levels, ensuring they remain within a healthy range. Here’s how it’s important: Regulates Blood Sugar: Insulin helps cells in the body absorb glucose from the bloodstream, which they use for energy. Without insulin, glucose would remain in the blood, leading to … Read more