The antebellum period refers to the period of time after the War of 1812 and before the start of the Civil War. Throughout this period of time‚ the tension between the abolitionists and the supporters of slavery began to increase which eventually led to the gradual separation of North and the South. With the Industrial Revolution‚ the North’s economy centered upon manufacturing while the South’s economy relied on plantations due to the cotton boom. Cotton was immensely profitable in the South and
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Muscle contractions happen when muscle fibers are stimulated‚ which can cause one of many types of contractions. Isometric contractions‚ which means that tension happens in the muscle but there is no change in muscle length‚ therefore there is no movement of the muscle itself. An example of Isometric contractions would be strength training‚ such as holding a weight still‚ which happens in the biceps brachii. The biceps brachii the gets more tension‚ but the muscle length stays the same. As for isotonic
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The Critical Period During the time after the Revolutionary War‚ the United States of America was plagued with many issues that left them wondering whether or not their country would survive as a nation. This time was coined as the critical period by John Fiske in 1888 with his book ’The Critical Period of American History’. It refers to the 1780s‚ a time right after the American Revolution where the future of the newly formed nation essentially a coin toss as to whether or not it would “make it”
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Q1 Muscle contraction can be understood as the consequence of a process of transmission of action potentials from one neuron to another. A chemical called acetylcholine is the neurotransmitter released from the presynaptic neuron. As the postsynaptic cells on the muscle cell membrane receive the acetylcholine‚ the channels for the cations sodium and potassium are opened. These cations produce a net depolarization of the cell membrane and this electrical signal travels along the muscle fibers. Through
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During a Muscle Contraction The muscle fiber is in a resting state. The resting state is slightly negative inside and slightly positive outside. It has to be in this state in order to receive a message. First the brain sends a message to the muscle using a neuron then reaches the axon terminal of the neuron. Calcium gates then open on the axon terminal allowing calcium to rush in. Ach release from axon terminals‚ diffuses across the synaptic clef and binds to (receptors) on motor end plate. Then
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In latent toxoplasmosis‚ bradyzoites are present in the tissue as cysts. Individuals with latent toxoplasmosis are asymptomatic. Despite the lack of symptoms‚ it is important to keep in mind that a chronic‚ lifelong infection has been established. If an individual with latent infection becomes immunocompromised later in life‚ he or she may be at risk for disease reactivation and increased morbidity and mortality without appropriate treatment.18‚ 28 Acute‚ or primary‚ toxoplasmosis is caused by
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To begin‚ Merton would emphasize the manifest and latent functions and dysfunctions of technology in schools. The most obvious manifest function access. The internet gives children fast access to any information they could need. Another manifest function is communication. The internet allows teachers to easily communicate with parents through email and vice versa. As for the latent function‚ having computers‚ iPads‚ internet‚ etc. in schools creates IT jobs where there wouldn’t have been any before
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The Renaissance was period of time in which Roman and Latin culture was revived into the lives of the European people. It occurred between the 14th and the 17th century. It began in Italy and later spread to the rest of Europe. It changed the lives of many by introducing Roman and Latin architecture‚ art‚ science‚ religion‚ technology‚ medicine and anatomy. The Renaissance changed art by introducing linear perspective‚ becoming less focused on religion and by establishing new techniques. Artists
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At the start‚ let me state what an excellent job you did on this assignment‚ such as‚ pointing out the Muss’ antecedent pronoun usage (annoying to say the least) demonstrated how detailed your critique was completed. However‚ in your rewrite‚ “What good are elected officials that don’t perform on behalf of the citizens who elected them?” Rossenwasser and Stephen describe contractions as “too informal at times” and for a critical writing research project‚ personally‚ I avoid them unless in a quote
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thousands of small fibers make up all or each muscle in our body. There are different muscles‚ fibers‚ and contractions. Three different types of muscles include cardiac‚ smooth‚ and skeletal. Cardiac muscle cells are located in by the heart in the walls‚ look striated‚ and are under involuntary control. Smooth muscle fibers are located in walls of hollow organs‚
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