10th Class Biology
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HORMONES IN ANIMALS
What are Hormones? Hormones are chemical messengers. They are released by endocrine glands. They travel through…
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Movement Due to Growth (in Plants)
What Is Movement Due to Growth? Some plant movements happen because of growth. Slow Permanent Directional…
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Immediate Response to Stimulus (in Plants)
Can Plants Respond Immediately? Yes.Some plants show quick responses even though they: Do not have a…
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Coordination in Plants
Do Plants Have a Nervous System? No.Plants do not have: Nervous system Muscles Yet, plants can…
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How Does Nervous Tissue Cause Action?
Basic Idea Nervous tissue carries messages (nerve impulses). Muscle tissue does the actual work (movement). When…
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How Are These Tissues Protected?
The brain and spinal cord are very delicate and important organs.So, our body provides them with…
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Human Brain
Is spinal cord only for reflex actions? No.We are thinking beings, so control and coordination cannot…
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What Happens in Reflex Actions?
Meaning of Reflex Action A reflex action is a quick, automatic response to a stimulus without…
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ANIMALS – NERVOUS SYSTEM
What provides control and coordination in animals? In animals, control and coordination are carried out by:…
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Control and Coordination
introduction: Control and coordination refer to the system by which living organisms regulate and organize their…
