10th Class Biology Chapter 3 Coordination & Control Short Questions Answer
In the complex fabric of existence, the concept of Coordination and Control emerges as a remarkable phenomenon, harmonizing the symphony of biological processes within living organisms. As students embark on the exploration of 10th Class Biology Chapter 3 Coordination & Control Short Questions Answer, they are taken on a captivating journey to uncover the mysteries behind how organisms maintain equilibrium in their functions. This chapter delves into the captivating domain of nervous and endocrine systems, delving into the mechanisms that facilitate communication and regulation. From the intricate workings of nerve impulses to the delicate choreography of hormones, the study of Coordination and Control not only reveals the marvels of the human body but also fosters a deeper admiration for the precision and equilibrium inherent in the biological realm.
Join me as we navigate through the enthralling complexities of Biology Class 10 Chapter 3 notes, dissecting the very essence of life’s coordination and control mechanisms.
Biology Short Questions Answers for Class 10
In the field of biology, the concepts of Coordination and Control play a crucial role in ensuring the smooth operation of living organisms. These two interconnected systems, the nervous and endocrine systems, work together to regulate responses and maintain balance. By investigating the intricacies of Coordination and Control, we can gain a deeper understanding of the intricate mechanisms that govern these processes, providing us with valuable insights into the harmonious and precise nature of the biological world. This concise guide offers concise explanations that unravel the complexities of coordination and control within the captivating tapestry of life.
10th Class Biology Chapter 3 Coordination & Control Short Questions Answer
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The tissues or organs in body of multicellular, organism work together performing their tasks as the needs of the whole body. This is called coordination it has 2 types.
i. Chemical coordination
ii. Nervous coordination.
The physical movement associated with the gaseous exchange are called breathing.They are two phase of breathing inhalation and inhalation.
Relay center between parts of brain & spinal cord receives and modifies sensory impulses before they travel to cerebrum. Pain perception and consciousness.
A sac-like structure present neat to the alveolus duet in lungs.
Aerobic respiration is the process of produce cellular energy involving oxygen cell break down food in the miteconduit in a lung.
It is the largest part of brain Function; It control skeletal muscles, thinking, intelligence and emotions.
The air passageway consist of the parts through which the outside air comes in the lungs and after the exchange of gases it goes out.
Upper surface of cerebral hemispheres is called cerebral cortex. It consists of grey matter, it has four lobes.
i. Frontal lobe
ii. Parietal lobe
iii. Temporal Lobe
iv. Occipital love
Organism get the oxygen needed for cellular respiration from their environment and provide it to their cells.The carbon dioxide produce during cellular respiration taken out of the cell and ultimately from the body.
i. Forebrain
ii. Midbrain
iii. Hind brain
Intercostal muscles the muscles located between the ribs surrounding the lungs comprising the superficial eternal intercostal muscle and the deep internal intercostal muscle they play role in breathing.
Stimulus, Receptor, Coordinator, Effector, Response
It is inner layer of eye ball. It contains rods and cones and associated neurons.
During inspiration the rib muscles contract and rib are raised.At the same time dome-shaped diaphragm contract and is lowered.These movement increase the area of the thoracic cavity which reduce the pressure on lungs as a result the lungs expand and the air pressure with them also decrease.The air from outside rushes into the lungs to equalize the pressure on bathe side.
Neurons conduct impulses from receptors to coordinator and from coordinators to effectors.
The pathway air enter the nostrils through the glottis into the trachea into the right and left bronchi which bromchies and rebromches.
Optic disc is a point on retina where the optic nerve centers retina. No photosensitive cells exist at this point, so it is called blind spot.
SN(s) conduct sensory information from receptors to CNS, SN have one dendrite and one axon.
Taking in oxygen and giving out of carbon dioxide is termed as gaseous exchange.Respiration involves the mechanical and biochemical process where as breathing is the mechanical or physical process of exchange of gases.
The deficiency of vitamin A causes night blindness.
Cells, tissues or organs of body which detect stimuli are called receptors, e.g. Sound waves are detected by ear, light is detected by eyes, and taste is detected by taste buds on tongue.
It is middle layer of eye ball. It contains blood vessels and gives a dark colour it bends behind cornea to form iris.
Neuron consists of two parts cell body and fibers. Cell body consists of nucleus and cytoplasm.Fibers are of two types, dendrites and axons.
i. Medulla oblongata
ii. Cerebellum
iii. Pons
It is the continuation of medulla oblongata. It is a tubular bundle of nerves. It consists of outer white matter and central grey matter.
A nerve impulse is waves of electrochemical changes with travels along the length of neurons.
It is the hormone secreted by thyroid gland. Role
i. It increase “breakdown of food and release of energy.
ii. It is responsible for growth of body.
Insulin: Decrease the blood sugar level.
Glucagon: Increases the blood sugar level.
Cones recognize the primary colours are blue green and red Damages to these pigments result in colour blindness. This is genetic problem in which person is unable to distinguish between different colour.
Optics refers to the study of behavior of light. Ibn- A;-Haytham is regarded as father of optics.
