Q2. Describe the components and conduction pathway of the cardiac conduction system of the heart. Relate the conduction system to the corresponding sequence of heart chamber contractions. (400 words,...

Q2. Describe the components and conduction pathway of the cardiac conduction system of the heart. Relate the conduction system to the corresponding sequence of heart chamber contractions. (400 words, 10 marks) Q3. Vitamin B12 is an essential nutrient that is important for normal development and health. Please answer the following: (200 words, 5 marks) a. Name 2 food sources high in vitamin B12. b. Describe the functions of vitamin B12 in the body. c. Describe the possible consequences to the body if there is a deficiency in vitamin B12 in pregnant and non-pregnant individuals. d. Name one group of people that is more likely to be at risk of becoming deficient in vitamin B12 and why. Recommended websites to assist in this assessment are located under Resources on this page. Important note: – Each question should be answered separately and NOT as an essay. – No internet sources are to be used in Part A of this assessment. – Template (located in Assessment Zone in vUWS) must be used to complete Part B of this assessment. – A maximum of two (2) relevant, credible internet sources may be used in Part B of this assessment. – Answers are to be written in a formal academic tone, without the use of colloquial or slang words. – Answers are to be written in the third person (he/she/it or they/them/their). – Answers are to be written clearly and concisely using correct spelling and grammar and written in complete sentences and paragraphs. – Bullet points are NOT acceptable. – All answers must include in-text references and a reference list must be included at the end of the assessment. – The reference list is not included in the word limit. Check list Please ensure all items listed below have been checked before submitting the assessment. – The assessment has double-spaced lines. – Referencing (please ask library staff or check APA referencing style guide for specific details of referencing: https://library.westernsydney.edu.au/main/sites/default/files/cite APA.pdf; – Every answer should have in-text references. In-text references should be throughout the answer and not only at the end of the answer. – No initials of authors’ first name have been used in the in-text references. – Reference list is on a new page. – References are listed in alphabetical order based on the first author’s surname. – Hanging indent has been used in reference list. – Title of text book and name of journal and volume is in italics. – Every in-text reference matches with a reference in the reference list. – Only references used in the in-text references should appear in the reference list. Resources: The following internet resources may be used in this assessment: Better Health Channel XXXXXXXXXXVitamin B. Retrieved from https : / / www . betterhealth . vic . gov . au / health / healthyliving/vitamin-b Medline Plus XXXXXXXXXXVitamin B12. Retrieved from https://medlineplus.gov/ency/article/002403.htm National Institutes of Health - The Office of Dietary Supplements XXXXXXXXXXVitamin B12 fact sheet for consumers. Retrieved from https://ods.od.nih.gov/factsheets/VitaminB12-Consumer/