THE-NEED-TO-CONTROL-AND-RESPOND-TO-CHANGE-IN-THE-ENVIRONMENT.pptx
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This document discusses the nervous and endocrine systems, which are responsible for communication within the body. The nervous system uses electrically connected nerve cells to control thoughts, senses, movement and functions like breathing, often through voluntary responses. The endocrine system uses physically disconnected glands and hormones to help regulate growth, development and environmental responses, which are always involuntary. A stimulus can elicit chemical, cellular or behavioral changes in living systems. The document provides an example of a fly approaching a banana as a stimulus, and a hand swatting it away as a voluntary nervous system response.
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Here's a brief introduction to control and coordination class 10 science:
"Control and coordination are fundamental processes in living organisms that ensure proper functioning and response to stimuli. In simpler terms, control refers to the regulation of various activities within an organism, while coordination involves the harmonious integration of these activities. In humans and many other animals, control and coordination are primarily carried out by the nervous system and the endocrine system. The nervous system allows for rapid responses to stimuli through nerve impulses, while the endocrine system regulates physiological processes using chemical messengers called hormones. Together, these systems ensure that organisms can adapt to changes in their environment, maintain internal balance (homeostasis), and carry out essential functions for survival and well-being."
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BÀI TẬP DẠY THÊM TIẾNG ANH LỚP 7 CẢ NĂM FRIENDS PLUS SÁCH CHÂN TRỜI SÁNG TẠO ...
THE-NEED-TO-CONTROL-AND-RESPOND-TO-CHANGE-IN-THE-ENVIRONMENT.pptx
- 3. INTRODUCTION -To keep our body within homeostatic condition, several organ systems must work together and communicate with one another. Messages must be generated, dilevered, and interpreted and acted upon by the assigned organ system. -The two main organ systems responsible for the body’s communication network are the ENDOCRINE SYSTEM and NERVOUS SYSTEM.
- 5. Nervous System is composed of physically connected networks of nerve cells, tissues, and organs that control your thoughts, senses, and movement, as well as many of your life’s body functions such as breathing.
- 7. Endocrine System is a collection of physically disconnected glands that also help in varios body processes such as growth, development, and conjuring responses to the environment.
- 11. Stimulus is defined broadly as something that can cause or elicit a response from the organism. -In living systems, a stimulus usually trigger a change in an individual, which may be in the form of chemical, cellular, or behavioral responses.
- 13. Example: Imagine that a fly fluttering over to the banana you are holding. You quikly and automatically hover your hand to keep it from touching your food.
- 14. Example: Imagine that a fly fluttering over to the banana you are holding. You quikly and automatically hover your hand to keep it from touching your food.
- 15. Example: Imagine that a fly fluttering over to the banana you are holding. You quikly and automatically hover your hand to keep it from touching your food. Although some responses to stimuli are involuntary (not under your control), such as the blinking of our eyes and sneezing, many responses of the nervous system are voluntary (under you control). In this case, the fly fluttering toward the banana is the stmulus and the hovering of your hand is the response.
- 16. FEATURES NERVOUS SYSTEM ENDOCRINE SYSTEM Signal Electrical impulses (action potentials) Chemical impulses (hormones) Pathway Transmission Transported by blood Speed of information Fast Slow Duration Short-lived Short or long-lived Types of action and response Voluntary or Involuntary Always Involuntary Target Localized (cells connected to neuron) Often Distant (many cells can be effected) Differences Between the Nervous and Endocrine Systems