Control and Coordination Class 10 Full Chapter (Animation) | Class 10 Science Chapter 7 | CBSE

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Chapter 10 of Class 10 Science Biology explores Control and Coordination within the body, detailing the Nervous System and the Endocrine System's functions in animals and humans. The nervous system utilizes neurons and receptors to coordinate functions, while the endocrine system in plants responds to stimuli through hormones like auxin, cytokinin, and ethylene.

Insights

  • The chapter on Control and Coordination in Class 10 Science Biology distinguishes between nervous and hormonal coordination, highlighting the role of neurons and receptors in animals and humans, while plants rely on hormones for coordination.
  • The nervous system, comprising the central and peripheral components, controls voluntary and involuntary actions through electrical impulses, with reflex actions showcasing rapid responses mediated by sensory, relay, and motor neurons.

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Recent questions

  • What is the main focus of Chapter 10 in Class 10 Science Biology?

    Control and Coordination

  • What are the components of the nervous system in animals and humans?

    Brain, Spinal Cord, Nerves

  • How does the autonomic nervous system prepare the body for responses?

    Fight or Flight

  • What are the functions of the midbrain in the nervous system?

    Auditory and Visual Processing

  • How do plants coordinate responses in the absence of a nervous system?

    Plant Hormones

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Summary

00:00

"Control and Coordination in Biology"

  • Chapter 10 of Class 10 Science Biology is about Control and Coordination, focusing on understanding the internal functions of the body.
  • Previous chapters covered the digestive, circulatory, respiratory, and excretory systems; this chapter delves into the Nervous System and the Endocrine System.
  • Nervous coordination involves the brain, spinal cord, and nerves in animals and humans, while hormonal coordination is seen in plants.
  • The nervous system controls and coordinates functions in animals and humans through neurons and receptors.
  • Neurons send and receive messages in the body, while receptors are found in sense organs like the eyes, nose, and skin.
  • The nervous system is divided into the central nervous system (CNS) and the peripheral nervous system, with the brain and spinal cord being crucial parts of the CNS.
  • Cranial nerves originate from the brain, while spinal nerves arise from the spinal cord, controlling voluntary and involuntary actions in the body.
  • The autonomic nervous system includes sympathetic and parasympathetic nerves, preparing the body for fight or flight responses.
  • Neurons transmit information through electrical impulses, passing messages through connections between neurons.
  • Reflex actions occur without conscious thought, involving sensory neurons, relay neurons, and motor neurons to quickly respond to stimuli.

15:23

Central Nervous System and Plant Hormones Summary

  • Auditory and visual processing centers are located in the midbrain, controlling involuntary actions along with the handbrain, which includes the pons, medulla, and cerebellum.
  • The pons and medulla regulate sleep, breathing, and heartbeat, functions that are involuntary even during sleep.
  • The cerebellum controls body posture and balance, affected by excessive alcohol consumption.
  • The spinal cord connects the brain to the lower back, transmitting signals and coordinating reflex actions in the body.
  • Protection of the central nervous system involves the cranium safeguarding the brain and the vertebral spine protecting the spinal cord.
  • Plants coordinate through hormones due to the absence of a nervous system, responding to stimuli and growth triggers like light and gravity.
  • Plant growth in response to stimuli includes geotropism (gravity), chemotropism (chemicals), and hydrotropism (water).
  • Plant hormones, including auxin, cytokinin, and ethylene, regulate growth promotion and inhibition, influencing cell growth, stem development, and flower growth.
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