Courses from 1000+ universities
17 years ago, Krishna Kumar started offering free PMP prep online. Today, it’s a leading digital upskilling platform that helps millions upskill in AI, cybersecurity, data science, and more.
600 Free Google Certifications
Personal Creativity
Entrepreneurship
Instructional Design
Ecology and Wildlife Conservation
The Science of Well-Being
Mountains 101
Organize and share your learning with Class Central Lists.
View our Lists Showcase
Explore the intestinal phase of gastric secretion, focusing on key hormones, cell types, and physiological processes involved in regulating digestive functions.
Comprehensive exploration of adrenergic receptors, their types, and effects on various organs when stimulated by norepinephrine and epinephrine, building on concepts from the sympathetic nervous system.
Comprehensive exploration of cholinergic receptors, their types, and effects on various organs when stimulated by acetylcholine. Builds on parasympathetic nervous system concepts for a deeper understanding of neurotransmitter action.
Comprehensive exploration of upper and lower limb blood vessels using a wire man model, enhancing understanding of the circulatory system's intricate network in extremities.
Comprehensive exploration of salivary glands, their stimulation, and nervous system involvement. Covers parotid, submandibular, and sublingual glands, with focus on saliva production and physiological functions.
Comprehensive exploration of the brachial plexus anatomy, including roots, trunks, divisions, cords, and branches. Covers major nerves and their innervated muscles for a thorough understanding of upper limb neurology.
Comprehensive exploration of brain hematomas: epidural, subdural, subarachnoid, and intracerebral. Covers location, mechanism, symptoms, diagnosis, and management for each type, enhancing understanding of neurological emergencies.
Explore the Gate Control Theory of pain modulation, understanding key concepts and mechanisms behind pain perception and its regulation in the nervous system.
Explore the corticospinal tract's anatomy and function in this comprehensive lecture, covering its path from the cerebral cortex through the brainstem to the spinal cord.
Comprehensive exploration of spinocerebellar tract anatomy, including ventral, lateral, and cuneocerebellar components. Covers stimuli, pathways, and functional differences between tract types.
Detailed exploration of the spinothalamic tract, covering pain and temperature sensation pathways from skin receptors to the thalamus. Ideal for neuroscience and medical students seeking in-depth understanding of sensory processing.
Explore cell cycle regulation, including key phases, genes, growth factors, and mechanisms controlling cell division and apoptosis. Gain insights into the intricate processes governing cellular reproduction.
Comprehensive exploration of cell cycle phases, focusing on interphase and mitosis. Learn about cellular processes, DNA replication, and cell division mechanisms in this detailed biology lecture.
Explore the vestibular pathway of the vestibulocochlear nerve, including its anatomy, connections, and role in balance and spatial orientation. Gain insights into this crucial sensory system.
Comprehensive exploration of the auditory pathway and cochlear branch of the vestibulocochlear nerve, detailing its structure, function, and role in hearing processes.
Get personalized course recommendations, track subjects and courses with reminders, and more.