22.1 EndocrineGlands andHormones22.2 HumanEndocrineSystem22.3 Hormones ofHeart, KidneyandGastrointestinalTract22.4 Mechanism ofHormone Action You have already learnt that the neural system provides apoint-to-point rapid coordination among organs. The neuralcoordination is fast but short-lived. As the nerve fibres do not innervateall cells of the body and the cellular functions need to be continuouslyregulated; a special kind of coordination and…

21.1 Neural System21.2 Human NeuralSystem21.3 Neuron asStructural andFunctional Unitof NeuralSystem21.4 Central NeuralSystem21.5 Reflex Actionand Reflex Arc21.6 SensoryReception andProcessing As you know, the functions of the organs/organ systems in our bodymust be coordinated to maintain homeostasis. Coordination is theprocess through which two or more organs interact and complement thefunctions of one another. For example, when we…

20.1 Types ofMovement20.2 Muscle20.3 Skeletal System20.4 Joints20.5 Disorders ofMuscular andSkeletal System Movement is one of the significant features of living beings. Animals andplants exhibit a wide range of movements. Streaming of protoplasm inthe unicellular organisms like Amoeba is a simple form of movement.Movement of cilia, flagella and tentacles are shown by many organisms.Human beings can…