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MedMaru is an independent educational website that makes neuroscience, neuroanatomy, and human biology easier to understand. Explore evidence-based articles, clear explanations, and educational illustrations designed for students and curious readers.

Start Here: Brain Basics

Explore the Brain

Brain Basics

Learn how neurons, synapses, electrical signals, and neural circuits make the nervous system work.

Explore Brain Basics

Brain Anatomy

Explore the structures of the brain and learn where they are located, how they connect, and what they do.

Explore Brain Anatomy

Brain Function

Discover how the brain controls movement, sensation, memory, emotion, sleep, learning, and other essential functions.

Explore Brain Function

Latest Articles

  • How Does the Brain Control the Autonomic Nervous System?

    Learn how the forebrain, hypothalamus, brainstem, spinal cord, and visceral feedback coordinate sympathetic, parasympathetic, and enteric functions.

  • How Does the Brain Control Sleep?

    Learn how circadian timing, homeostatic sleep pressure, and distributed neural circuits coordinate wakefulness, NREM sleep, and REM sleep.

  • How Does the Brain Form Habits?

    Learn how repeated behavior can shift from goal-directed to habitual control, how corticostriatal circuits and dopamine contribute, and why “66 days” is not a rule.

  • How Does the Brain Produce Fear?

    Learn how the amygdala, sensory pathways, hippocampus, prefrontal cortex, hypothalamus, brainstem, body, and learning contribute to fear.

  • How Does the Brain Control Hunger and Thirst?

    Learn how the hypothalamus, brainstem, lamina terminalis, hormones, nerves, reward, learning, and sensory cues regulate eating and drinking.

  • How Does the Brain Control Body Temperature?

    Learn how thermoreceptors, the preoptic hypothalamus, brainstem, autonomic nerves, hormones, muscles, skin blood flow, sweating, and behavior regulate temperature.

Editorial Standards

MedMaru provides clear, evidence-based explanations of the brain and nervous system. Articles are developed using established neuroscience textbooks, peer-reviewed research, and trusted medical sources. Content is reviewed for accuracy and updated when important scientific information changes.

MedMaru is for educational purposes only and does not provide medical diagnosis or treatment advice.