
Public learning track
Nervous Coordination and Reflex Mechanisms
9th Grade · Science · Open Global Science
7 lessons
Goal
Explain the cellular and physiological basis of nervous coordination, synaptic transmission, reflexive circuits, and autonomic regulation.
Featured Diagrams
The Nervous System: An Overview
7 lessons
0 of 7 done
- 1The Nervous System: An OverviewUp nextStart
- 2Neuron Structure and Electrochemical ImpulsesPremiumNot started yet
- 3Synaptic Transmission and Neurotransmitter ActionNot started yet
- 4The Reflex Arc: Pathway from Stimulus to ResponseNot started yet
- 5The Somatic Nervous System: Voluntary Control of MovementNot started yet
- 6The Autonomic Nervous System: Automatic Body FunctionsNot started yet
- 7Sensory Receptors and the Mechanics of VisionNot started yet
Curriculum Framework
9th Grade · Science · Open Global Science
1
8 lessons
Plant Anatomy, Transport, and Physiological Responses
Explain plant tissue organization, vascular transport mechanisms, stomatal regulation, floral reproduction, and hormonal tropisms.
2
8 lessons
Human Circulatory and Gas Exchange Systems
Analyze the structural adaptations of the heart, blood vessels, blood components, and respiratory organs for mass transport and gas exchange.
3
7 lessons
Nervous Coordination and Reflex Mechanisms
Explain the cellular and physiological basis of nervous coordination, synaptic transmission, reflexive circuits, and autonomic regulation.
4
7 lessons
Endocrine Coordination and Homeostatic Regulation
Explain how hormones and negative feedback systems regulate blood glucose, metabolic rate, body temperature, and water balance.
5
6 lessons
Human Reproductive Physiology and Technologies
Describe the hormonal control of human reproduction, evaluate methods of contraception and assisted reproduction, and assess demographic impacts.
6
7 lessons
Pathogens, Immune Defenses, and Medical Interventions
Differentiate pathogen types and communicable vs. non-communicable diseases, explain immune defenses, and evaluate medical interventions including vaccines and antibiotics.