CONTROL AND COORDINATION in 60 Minutes | Science Chapter 7 | Class 10th CBSE Board
Physics Wallah Foundation・2 minutes read
The nervous system processes sensory stimuli and coordinates responses, including reflex actions. The endocrine system releases hormones that regulate various bodily functions and behaviors.
Insights
- Neurons are the building blocks of the nervous system, comprising dendrites for collecting information, a cell body for processing it, and an axon for transmitting nerve impulses. The signal travels from dendrites to the cell body, then to the axon nerve ending, where neurotransmitters are released to carry information to dendrites, facilitating communication between neurons.
- The endocrine system, through hormone secretion from glands like the pituitary gland and thyroid gland, plays a vital role in bodily functions. Hormones, small chemical substances produced by endocrine glands, enter the bloodstream directly and act near or far from their site of action. Examples include thyroxine for metabolism, insulin and glucagon for blood glucose regulation, and testosterone and estrogen for secondary sexual characteristics.
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Recent questions
What is the role of the nervous system in the body?
The nervous system processes sensory information and coordinates responses.
How do reflex actions differ from voluntary actions?
Reflex actions are quick and involuntary, while voluntary actions are consciously controlled.
What are the main parts of the brain and their functions?
The brain consists of the forebrain, midbrain, and hindbrain, each with specific roles.
What is the endocrine system's role in the body?
The endocrine system regulates bodily functions through hormone secretion.
How do plants respond to environmental stimuli?
Plants exhibit tropic and nastic movements in response to stimuli.
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