of the heart October -08 -12 TUBE FORMATION • 15 days after conception ○ Begins as flat sheet of mesodermal cells (cells of the mesoderm layer in an embryo) • Day 18-20 ○ The cells form a horse -shoe shape (cardiogenic region) ○ Angiogenic cell clusters coalesce to form right and left endocardial tubes • Day 21 ○ Two endocardial tubes are completely fused • Day 22 ○ Heart begins beating • Day 23 ○ Heart tube forms constrictions prior to looping The first indication of heart development
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Carbohydrates & Glycobiology Dr. Jeelan Moghraby B.Sc.‚ D.Phil Assistant Professor Email: moghrabyj@ksau-hs.edu.sa Lecture 13 & 14 BIOC211 2013 Objectives Describe the structure of carbohydrates Classify the types of carbohydrates Recognise different types of glycoconjugates and their role Dr. Jeelan Moghraby Introduction Carbohydrates Most abundant organic molecule in nature Empirical formula (CH2O)n Originally produced from CO2 and H2O during
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Narrative Essay “If I Could Change One Thing about Me” Xerishya Jonpaula G. Gorobao MKIT – 101 Prof. Chona Lajom If I Could Change One Thing about Me Settings: - At Home - In School Conflict: -When I do have a problem with focusing on my studies‚ and at home‚ especially to my mom. Character: - My family - My friends Thesis Statement: - Well‚ there are many things I would like to change about myself‚ but If could change one thing about me‚ it would probably my attitude
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1. Which layer of the heart wall consists of cardiac muscle tissue? (Points : 1) Epicardium Pericardium Myocardium Endocardium Hypocardium 2. Which blood vessel shown in the figure carries oxygenated blood to the lower thoracic cavity and the abdominal cavity of the body? (Points : 1) A B E F H 3. Blood leaving the left ventricle passes through which of the following structures? (Points : 1) Right
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Are Animals Beneficial to our Health? When we think of therapy animals most likely one would think of the service dogs that assist disabled people with daily activities in life; however is it possible that different animals could be beneficial to someone’s health? There are more than dogs being used for therapy in helping people either with a disability or health issues. Animals play an important role in people’s lives. In addition to seeing-eye dogs and dogs that can be trained to detect seizures
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the principal form of contact with animals is at meal times. The use of animals for food is probably the oldest and the most widespread form of animal use. Since the beginning of civilization‚ mankind has been surviving by hunting and feeding on animals. Animals remained hunted by mankind for food and for survival. With the evolution of mankind‚ animals were traded for other benefits in return and as the evolution continues to its present state today‚ animals can be bought for a price deemed reasonable
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Angelica Cobia Maya Angelou is an inspiration to all women around the world. Her strength is internationally known. In “The Heart of a Woman” Maya Angelou recounts her life events between age 17 and 19. She raises her teenage son‚ becomes a successful author‚ and becomes romantically involved with a South African freedom fighter‚ as well as other men in her life time. Maya Angelou is a woman for all of us to emulate. The book ends with Angelou’s son leaving for college and Angelou looking
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Alvinston anak Henry Stephen Ms Bobbi Olsen ENGL 150-Writing: Rhetoric The Person who Changes My Perception about Writing Writing is one of the medium that people use to communicate and express their ideas to other people. It has already been used since prehistoric time even though it is just through drawing but it has helped human to understand what has happened during that time and slowly after billions of years we have advanced to this globalized world that enable us to write in many different
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Progressive DBQ At the start of the 20th century‚ the United States were experiencing many changes in the ways that their economics and politics operated. After the Civil War‚ Restoration‚ and the Gilded Age‚ the Progressive Era was a time the United States could establish the principles of the country and begin to build what America is today‚. With large monopolies running the nation’s economy‚ such as those run by J.P. Morgan‚ Carnegie‚ Rockefeller‚ and Vanderbilt‚ many people sought Reformation
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THE BLEEDING HEART The story takes place in England in the late 19th century where poverty and recession are prevalent. People struggle to make ends meet and businesses are not doing well. The Fred family is renowned in the city of London because the father is a rich merchant of fabric and his beloved wife is known for her generosity and gentleness of her heart. After his wife’s death‚ things are going from bad to worse for Fred. Fred’s wife died while giving birth to a beautiful girl called
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