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5.4 Heart muscle has a high demand for oxygen. Describe how the heart muscle is supplied with oxygen. (3)

Looking at the diagram please SPECIFICALLY identify only #’s 11, 12 & 13 then 17, 18 & 19 (Requires 6 different ANSWERS).  Please write the number and then your answer so it is easy to follow.   

3.2 Name the driving force that enables water to move upwards through the xylem vessels. (1)

2.4 Why would A.sativum produce haploid cells? (1)

2.2 There are some cells that are permanent and will not enter the cell cycle. Explain why mitosis will occur in a plant such as Allium sativum. (2)

Consider the surgical procedure of SUPRAGLOTTIC LARYNGECTOMY.  What structures will likely be removed?  Choose the BEST answer.    

Which of the following configurations corresponds to the structure below? A. (4R, 5R)B. (4R, 5S)C. (4S, 5R)D. (4S, 5S)

5.2 ¿Cómo se dice “ham” en español?  (1)

EXTRA ESSAY ANSWER SPACE Only use this space if necessary. 

1.27 Below are tissues found in the walls of blood vessels. Which tissues are present in the walls of all blood vessels?   1.    Collagen 2.    Elastic 3.    Endothelial 4.    Smooth muscle (1)       A) 1, 2, 3 and 4   B) 3 only   C) 2 and 3 only   D) 1, 3 and 4 only