Courses
Teacher-curated, self-paced courses. Looking for a guided sequence through a full topic? See Learning Paths.
4 courses
The Neuron and the Nerve Impulse New
Biology · High School (11–12) · Nervous System and Sense Organs
FreeCh 17 · 1/3
How is a message made in a nerve cell, and how does it cross to the next one? You build a neuron, read the voltage of its membrane at rest and during an impulse, and see why a coat of myelin makes a message faster. It serves the Indian syllabus (NCERT, NEET) and the matching topic of A-Level, IB and AP.
3Lessons10Problems2Python Labs1Question Set1Mock Test
The Brain, the Spinal Cord and Reflexes New
Biology · High School (11–12) · Nervous System and Sense Organs
FreeCh 17 · 2/3
Which part of the brain keeps you breathing, and which part lets you read this line? You map the forebrain, the midbrain and the hindbrain, look at the spinal cord, and trace a reflex from the skin to the muscle and back. It serves the Indian syllabus (NCERT, NEET) and the matching topic of A-Level, IB and AP.
3Lessons10Problems2Python Labs1Question Set1Mock Test
The Eye and the Ear New
Biology · High School (11–12) · Nervous System and Sense Organs
FreeCh 17 · 3/3
How does light become a picture in the brain, and how does a sound become a nerve impulse? You study the parts of the eye, the rods and cones of the retina, the path of sound through the ear and the organs of balance. It serves the Indian syllabus (the NCERT chapter and the boards) and the matching topic of A-Level, IB and AP.
3Lessons10Problems2Python Labs1Question Set1Mock Test
The Nervous System
Biology · High School (9–10), General · Nervous System and Sense Organs
FreeCh 5 · 1/2
Follow a message along a nerve cell and across a synapse. See why a reflex is so fast, and what the forebrain, midbrain, hindbrain and spinal cord each do.
3Lessons11Problems2Python Labs1Question Set1Mock Test