Control and Co-ordination — Class 12 Maharashtra HSC Biology revision notes
A 15-page visual revision sheet for Control and Co-ordination, written for Class 12 Maharashtra HSC Biology. Formulas, diagrams and the traps that cost marks, laid out to be read the night before rather than the term before. Free, and it opens inside CapCompass.
What this Control and Co-ordination sheet covers
- From diffuse net to centralized brain
- Neuron, structure
- Nerve vs tract, myelination
- Neuroglia, by location
- Electrical vs Chemical synapse
- Electrical
- Chemical
- Properties of nerve fibres
- Threshold & summation
- All-or-none law
- Refractory period
- Synaptic delay & fatigue
- Resting potential
- Generating and conducting an impulse
- Depolarization
- Repolarization
- Na+/K+ pump resets
- Repolarization, a fall back to rest
- Saltatory conduction
- Human nervous system, three divisions
- Meninges and CSF
- Cerebrum, the largest part
- Cerebral lobes, one job each
- Frontal
- Parietal
- Temporal
- Occipital
- Diencephalon
- Midbrain and hindbrain
- Ventricles
- Spinal cord
- Cranial nerves, by function
- Cranial nerves, three facts worth keeping
- Spinal nerves, by region
- Spinal nerve, formation
- Reflex actions, two ways to sort them
- By synapse count
- By centre / origin
- Autonomic Nervous System, overview
- Sympathetic vs Parasympathetic effects
- Sympathetic
- Parasympathetic
- Nervous system disorders
- Sensory receptors, classified
- Eye, three wall layers
- Rods, cones, and the blind spot
- How an image is perceived
- Light on rods/cones
- Bipolar → ganglion cells
- Optic nerve → cortex
- Ear, three regions
- Cochlea and balance receptors
- Chemical coordination: hormones
- Four chemical families of hormones
- Two mechanisms of hormone action
- Membrane receptor route
- Intracellular receptor route
- Hypothalamus and Pituitary
- Adenohypophysis hormones
- GH (somatotropin)
- TSH, ACTH
- Prolactin
- FSH, LH (gonadotropins)
- Growth hormone disorders
- Too little
- Too much
- Pineal gland
- Thyroid and Parathyroid
- Thyroid/parathyroid disorders
- Adrenal cortex, three zones
- Zona glomerulosa (outer)
- Zona fasciculata (middle)
- Zona reticularis (inner)
- Pancreas, Islets of Langerhans
- Gonads and diffuse endocrine glands
- Abbreviations
- Traps that cost marks
- Tricks that save time
How CapCompass uses this sheet
These notes are not a standalone PDF. CapCompass plans Biology chapter by chapter against your real exam dates and free hours, and when the plan reaches Control and Co-ordination the sheet opens inside the study block itself — at the page covering the sub-topic that block is on, with the timer still running. Revision arrives at the moment the plan says revise, instead of having to be gone looking for.
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- Inheritance and Variation
- Molecular Basis of Inheritance
- Organisms and Populations
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