Control and coordination · नियंत्रण एवं समन्वय
Reflex arc in order, which part of the brain, which hormone.
Control and coordination games
Control and coordination · नियंत्रण एवं समन्वय
- Neuron: dendrite → cell body → axon → nerve ending; the gap between neurons is a synapse.
- Reflex arc: receptor → sensory neuron → spinal cord → motor neuron → effector.
- Brain: forebrain (cerebrum, hypothalamus), midbrain, hindbrain (cerebellum, pons, medulla).
| Gland | Hormone |
|---|---|
| Pituitary | Growth hormone |
| Thyroid | Thyroxine (needs iodine) |
| Pancreas | Insulin |
| Adrenal | Adrenaline |
| Testes / ovaries | Testosterone / oestrogen |
Plant hormones: auxin, gibberellins, cytokinins (promote growth); abscisic acid (inhibits). Tropisms: photo-, geo-, hydro-, chemo-.
For Class 10 (NCERT Science 10, “Control and Coordination”). See also human brain.
A one-page chart to stick on the wall, and a worksheet to practise.
Control and coordination
Reflex arc · forebrain, midbrain, hindbrain · glands and hormones · auxin
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Control and coordination — worksheet
Name: ____________________ Class: ______ Date: __________
1. Draw a neuron and label it.
2. Draw a reflex arc.
3. Why is iodised salt advised?
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