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Grade 11 University Biology – Unit 4 Animal Structures UNIT 4 TEST Student Name: Mark: ______________________ ___________ / 45 Part A – Multiple Choice (9 Total Marks) 1. The tube that connects the nasal air passage to the top of the lungs. a. Trachea b. Alveoli c. Bronchi d. Bronchioles 2. These tubes carry oxygenated blood from the heart? a. Arteries b. Capillaries c. Aorta d. Veins 3. What is the RESIDUAL VOLUME of the lungs? a. Six litres b. Five litres c. Two litres d. One litre 4. A hollow, muscular organ about the size of your fist? a. Small intestine b. Kidney c. Heart d. Lung 5. In which organ do you find VILLI? a. Kidney b. Lungs c. Small intestine d. Heart 6. This organ produces TRYPSIN to break down protein? a. Pancreas b. Kidney c. Stomach d. Liver 7. What is the length of the SMALL INTESTINE? a. 9 m b. 7.5 m c. 2 m d. 1 m 8. A chemical released by one type of cell that affects other cells? a. Amine b. Peptide c. Hormone d. Steroid 9. What is the name of the muscle that separates the left and right sides of the heart? a. Cardiac Muscle b. Septum c. Atria d. Atrioventricular Valve Part B – Short Answer (20 Total Marks) 10. What is ANAEROBIC RESPIRATION? What happens very quickly during this form of respiration (3 marks) 11. The CIRCULATORY SYSTEM has FOUR functions? What are the four functions (4 marks) 12. There are over 96,000 km of blood vessels in your body that provide nourishment to your 100 trillion cells. What is the MAXIMUM DISTANCE that any one cell is away from a blood vessel? (1 mark) 13. Why is PULSE RATE. (2 marks) 14. Name and explain the four stages of FOOD PROCESSING. (4 marks) 15. The digestive system has many components. Name the function and the process of completing its function of any two from the following list. (4 marks) Stomach Small Intestine Large Intestine Villi and Microvilli Liver Gall Bladder Part C – Human Organ System (6 Total Marks) 16. We studied the respiratory system of the human body. How does the respiratory system work and describe how it works. Your answer should include (1) the purpose of the system, (2) major organs or parts involved and (3) major processes (i.e., How does it work?). OPTIONAL – Use a diagram to help explain your answer. Part D – Diagrams (10 Total Marks) 17. Label the parts of the heart where indicated. _________________ ___________________ ______________________ ____________________ ______________________ 18. Label the parts of the digestive system where indicated ____________________ ___________________ _____________________ ____________________ _____________________
