AHS150 Lecture Notes - Lecture 4: Bone Marrow, Digestive Enzyme, Positive Feedback
15 Jan 2018
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Ahs 150 lecture 1 study notes unit 1 levels of organization. Chapter 1 - an introduction to the human body. Systemic: gross consider large structures such as the brain, microscopic deal with the same structure, though at a different scale. Muscular system: enables movement (with skeletal system, helps maintain body temperature, when you are cold, your brain sends messages and let your body to shiver, stable your posture. Nervous system: brain and spinal cord, sensory organ (eyes, ear) to detect information, detects and processes sensory information, activities bodily responses. Important role in homeostatic (sensor detect change, control interprets and responds by sending a single to, effect causing muscular contraction, or glandular secretions) -> control by the endocrine system. Endocrine system: secretes hormones, regulates bodily processes, produce and secret hormones (chemical message) and they will bind to a receptor to produce a response.
