what are the three main parts of the human body?
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The three main parts of the body are: the head, the trunk and the limbs (extremities). The head is composed of the cranial and facial parts. It contains the brain, the centre of the nervous system.
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The three main components of nervous system are brain, spinal cord and nerves.
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Your body is made mostly of three elements: carbon, oxygen, and hydrogen. Remember, an element is the simplest form of matter. Your body also contains sulfur, nitrogen, phosphorus, and about a dozen other elements. Every living thing is made from these ingredients.
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2 Anatomy. The human body is roughly apportionable into five big regions: head, neck, torso, upper extremity and lower extremity. The topographic anatomy subdivides this regions further into smaller subregions (see chart below).
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The basic parts of the human body are the head, neck, torso, arms and legs.
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['Circulatory system: ... ', 'Digestive system and Excretory system: ... ', 'Endocrine system: ... ', 'Integumentary system / Exocrine system: ... ', 'Immune system and lymphatic system: ... ', 'Muscular system: ... ', 'Nervous system: ... ', 'Renal system and Urinary system.']
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['3.1 Epithelial Tissue. They cover the body, organs, blood vessels and all body cavities. ... ', '3.2 Muscular Tissue. Smooth, Skeletal, and Cardiac Muscles. ... ', '3.3 Connective Tissue. Connective tissues are made up of fibrous cells. ... ', '3.4 Nervous Tissue. Neuron Structure.']
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Main parts of the brain The brain has three main parts: Cerebrum. Cerebellum. Brain stem.
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The cardiovascular system can be thought of as the transport system of the body. This system has three main components: the heart, the blood vessel and the blood itself. The heart is the system's pump and the blood vessels are like the delivery routes.
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['Material (physical) body.', 'Emotional and Mental.', 'Spiritual.', 'Social.']
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['The Integumentary System (Skin) -Comprised of skin, hair nails and sweat glands. ... ', 'The Nervous System. ... ', 'The Muscular System. ... ', 'The Skeletal System. ... ', 'The Endocrine System. ... ', 'The Cardiovascular System. ... ', 'The Lymphatic and Immune System. ... ', 'The Respiratory System.']
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The human's axial skeleton is composed of 80 bones and is the central core of the body. The primary divisions of the skeleton system are: Head, including the bones of the skull (cranium), face, auditory ossicles, and hyoid bone. Thorax, including the rib cage and sternum.
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['The Nervous System is. One of the two main communication systems in the body.', 'The Nervous System Coordinates. all the activities of the body carrying messages from one cell to the next.', 'The Nervous System Enables. ... ', 'Basic structural unit is. ... ', 'Each neuron consists of: ... ', 'Neurons: ... ', 'Dendrites. ... ', 'Axon is.']
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The brain can be divided into three basic units: the forebrain, the midbrain, and the hindbrain. The hindbrain includes the upper part of the spinal cord, the brain stem, and a wrinkled ball of tissue called the cerebellum (1). The hindbrain controls the body's vital functions such as respiration and heart rate.
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The brain consists of three principle parts – stem, cerebellum and cerebrum – as shown in Figure 1 below. Of the three, the cerebrum is most important in learning, since this is where higher-ordered functions like memory and reasoning occur.
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['1Building all parts of the body such as muscle, bone, teeth, and blood.', '2Producing energy (power and heat)', '3Keeping the body in good working order.']
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['The central nervous system (CNS) is the part of the nervous system consisting primarily of the brain and spinal cord. ... ', 'The CNS consists of the two major structures: the brain and spinal cord. ... ', 'Microscopically, there are differences between the neurons and tissue of the CNS and the peripheral nervous system (PNS).']