Pulse of Physiology

Discover how sensory receptors detect stimuli and convert them into electrical signals. This episode introduces the types of receptors, including photoreceptors, mechanoreceptors, and nociceptors, and...

31 Tammi 20256min

Learn about the sympathetic and parasympathetic divisions of the autonomic nervous system. This episode explains their roles in maintaining homeostasis, the anatomy of their pathways, and how they inf...

29 Tammi 20258min

Unpack the chemistry of neurotransmission with an exploration of cholinergic and adrenergic receptors. This episode covers how neurotransmitters like acetylcholine and norepinephrine interact with the...

29 Tammi 20257min

Dive into the world of G-proteins, the molecular switches that regulate cell signaling. Learn how G-proteins activate second messenger pathways (e.g., cAMP, DAG/IP₃), their role in amplifying signals,...

27 Tammi 20257min

Explore the role of reflexes in protecting the body and maintaining homeostasis. This episode explains reflex arcs, differentiates between intrinsic and learned reflexes, and examines key examples lik...

27 Tammi 20257min

Dive into the intricacies of chemical synapses, where neurons communicate with other cells. Learn about the structures involved, the steps of synaptic transmission, and how neurotransmitter activity i...

22 Tammi 20256min

Explore the critical role of refractory periods in neuronal signaling. This episode explains the differences between absolute and relative refractory periods, how they regulate action potential timing...

22 Tammi 20255min

Explore how action potentials travel along neurons in this episode. Learn about continuous conduction in unmyelinated axons and the faster, energy-efficient saltatory conduction in myelinated axons. D...

20 Tammi 20255min