Tak 1.1 List all the systems of the human body with their functions and major organs. The circulatory system is the body’s transport system. It is made up of a group of organs that transport blood throughout the body. The heart pumps the blood and the arteries and veins transport it. Oxygen-rich blood leaves the left side of the heart and enters the biggest artery‚ called the aorta. The aorta branches into smaller arteries‚ which then branch into even smaller vessels that travel all over the
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factors and conditions are detected by the body’s nervous system. These changes are detected‚ interpreted and responded to. By sending electrical and chemical impulses the nervous system sets in place reactions to counteract these conditions. An example of this is if you where to place your foot on a sharp object‚ pain is detected by nerves or receptors in your foot and send a message through your foot‚ leg and into your spinal cord and into the brain which forms part of your central nervous system
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external structure of the eyeball. The external layer of the eyeball is formed by the cornea‚ and the sclera. The cornea is a dome-shaped structure. The cornea does not have any blood vessels that is why it appears clear. The cornea does have nerves. The cornea is the first and most powerful lens in the eye’s optical system. The cornea is the first part of the eye to focus. When a ray of light hits the eye‚ the cornea is the first structure the light encounters. Then the light rays travel
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Multiple Sclerosis‚ also known as MS‚ is a disease causing demylination of the white matter in the spinal cord and brain. The nerve damage slows‚ blocks or distorts transmission of nerve impulses. MS is characterized by periods of exacerbation and remissions. The crippling disease is a major cause of chronic disability in young adults. It usually becomes symptomatic between the ages of twenty and forty with twenty-seven being the average. Prognosis varies greatly from person to person. MS can progress
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| Deficiency | In Abundance | Vitamin A | Liver ‚cod liver oil‚ carrots‚ spinach‚ sweet potatoes‚ peaches and cantaloupe. | * Growth and maintenance of epithelial tissue including the cornea‚ membranes of gastrointestinal tract and skin. * Nerve formation and function | Fat Soluble | In children‚ growth retardation‚ and impaired bone formation. Fetal malformations. | Fetal malformations | Vitamin B2 | Beef‚ liver‚ lean meat‚ kidney‚ non-fat milk‚ oysters‚ dark green leafy vegetables‚ |
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system is composed of all nerve tissues in the body. The functions of nerve tissue are to receive stimuli‚ transmit stimuli to nervous centers‚ and to initiate response The nervous system has two distinct parts -- CENTRAL and PERIPHERAL. The central part is made up of the brain and spinal cord. The peripheral part of the nervous system is said to be peripheral because it is outside the central nervous systems. The human nervous system contains approximately 10 billion nerve cells. These neurons
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GP is the first person an individual see. GP role is to refer to a Parkinson’s specialist doctor. These include from different healthcare specialists they are psychologists‚ physiotherapists‚ neurologist and a geriatrician. A specialist nurse of Parkinson’s gives a skilled care as they tend to work with an individual of the disorder. They work in all areas including hospital‚ care home and the community. They provide individual a centred care and they assist with medications. Speech and language
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cord)‚ and the Peripheral Nervous System (neurons that carry messages to and from the CNS). 2. Describe the composition and function of the cell body. How are xons and dendrites alike? How do they (structurally and functionally) differ? The nerve cell body contains the nucleus‚ rough ER (Nissl bodies)‚ and cytoplasm. It is the major biosynthetic center and the main body for the outgrowth of neuronal processes. Axons and Dendrites are both arm-like extensions from the cell body. Dendrites are
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Muscle tissue Muscle tissue has a ability to relax and contrast and so bring about movement and mechanical work in various parts of the body. There are other movements in the body too which are necessary for the survival of the organism such as the heart beat and the movements of the alimentary canal. Muscles can be divided into three main groups according to their structure * Smooth muscle tissue. * Skeletal muscle tissue. * Cardiac (heart) muscle tissue.
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problems with nerve impulses that can lead to depression. There are many drugs that can intentionally change these normal chemical processes in our brain to maintain the feeling of happiness; however‚ these drugs are extremely dangerous to the human body and are unhealthy for humans. `The brain is a complex organ that has a complex‚ but quick process of delivering the neurotransmitters to the receptors. Neurons communicate with each other by sending electrical signals‚ nerve impulses‚ through tube
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