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Q 1..A reflex, or reflex action, is an involuntary and nearly instantaneous movement in response to a stimulus. ... The reflex is then an automatic response to a stimulus that does not receive or need conscious thought.
2)..The main function of auxin is to help plants grow. Auxin stimulates plant cells to elongate, and the apical meristem of a plant is one of the main places that auxin is produced.
The pituitary gland is a part of your endocrine system. Its main function is to secrete hormones into your bloodstream. These hormones can affect other organs and glands, especially : ... adrenal glands.
3). cerebrums, cerebellum and medulla are the thee most important part of brain.
3) B.Neuron is the structural and functional unit of nervous system. There are three components of neurons- Axon, cell body and dendrite. The axon conducts messages away from the cell body. The dendrite receives information from the next cell and conducts it towards the cell body. The cell body contains the nucleus, mitochondria, and other organelles. It is mainly concerned with maintenance and growth of the cell.
4)The autonomic nervous system is a control system that acts largely unconsciously and regulates bodily functions such as the heart rate, digestion, respiratory rate, pupillary response, urination, and sexual arousal. ... Within the brain, the autonomic nervous system is regulated by the hypothalamus.
5) Humans have glands that secrete hormones at different times to stimulate body processes such as growth, development, and the breaking down of sugars. ... Abscisic acid is a plant hormone involved in many developmental plant processes, such as dormancy and environmental stress response.
6) Movement in plants – The behavior of an organism is greatly affected by the responses it makes to both external (outside the body) and internal (within the body) stimuli. This ability of response to the stimulus is present in the protoplasm and is the characteristics of all the living organisms both plants and animals.
7)Involuntary action is the set of muscle movement which do not require thinking. But it is controlled by brain for example beating of heart beat. While on the other hand, the reflex action is rapid and spontaneous action in response to any stimulus which doesn't involve brain.
8) Hormones are the chemical substances which coordinate the activities of living organisms and also their growth. They are secreted by special tissues in our body through endocrine glands. ... They help in body growth, development, metabolism, sexual function, reproduction etc.
10)Plant a seedling in a vessel containing soil. ii. ... It confirms that plant shows hydrotropism as the roots bend towards the porous pot of water. As hydrotropism is a plant growth response in which the direction of growth is determined by a stimulus of gradient in water concentration.
2)..The main function of auxin is to help plants grow. Auxin stimulates plant cells to elongate, and the apical meristem of a plant is one of the main places that auxin is produced.
The pituitary gland is a part of your endocrine system. Its main function is to secrete hormones into your bloodstream. These hormones can affect other organs and glands, especially : ... adrenal glands.
3). cerebrums, cerebellum and medulla are the thee most important part of brain.
3) B.Neuron is the structural and functional unit of nervous system. There are three components of neurons- Axon, cell body and dendrite. The axon conducts messages away from the cell body. The dendrite receives information from the next cell and conducts it towards the cell body. The cell body contains the nucleus, mitochondria, and other organelles. It is mainly concerned with maintenance and growth of the cell.
4)The autonomic nervous system is a control system that acts largely unconsciously and regulates bodily functions such as the heart rate, digestion, respiratory rate, pupillary response, urination, and sexual arousal. ... Within the brain, the autonomic nervous system is regulated by the hypothalamus.
5) Humans have glands that secrete hormones at different times to stimulate body processes such as growth, development, and the breaking down of sugars. ... Abscisic acid is a plant hormone involved in many developmental plant processes, such as dormancy and environmental stress response.
6) Movement in plants – The behavior of an organism is greatly affected by the responses it makes to both external (outside the body) and internal (within the body) stimuli. This ability of response to the stimulus is present in the protoplasm and is the characteristics of all the living organisms both plants and animals.
7)Involuntary action is the set of muscle movement which do not require thinking. But it is controlled by brain for example beating of heart beat. While on the other hand, the reflex action is rapid and spontaneous action in response to any stimulus which doesn't involve brain.
8) Hormones are the chemical substances which coordinate the activities of living organisms and also their growth. They are secreted by special tissues in our body through endocrine glands. ... They help in body growth, development, metabolism, sexual function, reproduction etc.
10)Plant a seedling in a vessel containing soil. ii. ... It confirms that plant shows hydrotropism as the roots bend towards the porous pot of water. As hydrotropism is a plant growth response in which the direction of growth is determined by a stimulus of gradient in water concentration.
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