Grade 9 Human biology & physiology worksheet

What is on the worksheet

1. What is a synapse in a basic nervous-system model?

   1. A junction where a neuron communicates with another cell.
   2. Only a bone connection.
   3. A whole organ with no cells.

2. A fictional circulation model has 98 beats/min and 84 mL/beat. Find its flow in mL/min. These are supplied model values, not diagnostic ranges. Round to 3 decimal places if needed. Answer in mL/min.

3. A fictional circulation model has 74 beats/min and 82 mL/beat. Find its flow in mL/min. These are supplied model values, not diagnostic ranges. Round to 3 decimal places if needed. Answer in mL/min.

4. A fictional circulation model has 59 beats/min and 52 mL/beat. Find its flow in mL/min. These are supplied model values, not diagnostic ranges. Round to 3 decimal places if needed. Answer in mL/min.

5. A fictional circulation model has 77 beats/min and 82 mL/beat. Find its flow in mL/min. These are supplied model values, not diagnostic ranges. Round to 3 decimal places if needed. Answer in mL/min.

6. A fictional circulation model has 92 beats/min and 85 mL/beat. Find its flow in mL/min. These are supplied model values, not diagnostic ranges. Round to 3 decimal places if needed. Answer in mL/min.

7. A fictional circulation model has 70 beats/min and 59 mL/beat. Find its flow in mL/min. These are supplied model values, not diagnostic ranges. Round to 3 decimal places if needed. Answer in mL/min.

8. A fictional circulation model has 85 beats/min and 56 mL/beat. Find its flow in mL/min. These are supplied model values, not diagnostic ranges. Round to 3 decimal places if needed. Answer in mL/min.

9. A fictional circulation model has 69 beats/min and 52 mL/beat. Find its flow in mL/min. These are supplied model values, not diagnostic ranges. Round to 3 decimal places if needed. Answer in mL/min.

10. A fictional circulation model has 97 beats/min and 73 mL/beat. Find its flow in mL/min. These are supplied model values, not diagnostic ranges. Round to 3 decimal places if needed. Answer in mL/min.

11. A fictional circulation model has 95 beats/min and 82 mL/beat. Find its flow in mL/min. These are supplied model values, not diagnostic ranges. Round to 3 decimal places if needed. Answer in mL/min.

12. A fictional circulation model has 55 beats/min and 40 mL/beat. Find its flow in mL/min. These are supplied model values, not diagnostic ranges. Round to 3 decimal places if needed. Answer in mL/min.

13. A fictional circulation model has 62 beats/min and 74 mL/beat. Find its flow in mL/min. These are supplied model values, not diagnostic ranges. Round to 3 decimal places if needed. Answer in mL/min.

14. A fictional circulation model has 56 beats/min and 43 mL/beat. Find its flow in mL/min. These are supplied model values, not diagnostic ranges. Round to 3 decimal places if needed. Answer in mL/min.

15. A fictional circulation model has 67 beats/min and 43 mL/beat. Find its flow in mL/min. These are supplied model values, not diagnostic ranges. Round to 3 decimal places if needed. Answer in mL/min.

16. A fictional circulation model has 70 beats/min and 76 mL/beat. Find its flow in mL/min. These are supplied model values, not diagnostic ranges. Round to 3 decimal places if needed. Answer in mL/min.

17. A fictional circulation model has 91 beats/min and 79 mL/beat. Find its flow in mL/min. These are supplied model values, not diagnostic ranges. Round to 3 decimal places if needed. Answer in mL/min.

18. What defines a vein?

    1. It carries blood toward the heart.
    2. It always contains no oxygen.
    3. It transports only air.

19. A fictional circulation model has 68 beats/min and 63 mL/beat. Find its flow in mL/min. These are supplied model values, not diagnostic ranges. Round to 3 decimal places if needed. Answer in mL/min.

20. A fictional circulation model has 81 beats/min and 87 mL/beat. Find its flow in mL/min. These are supplied model values, not diagnostic ranges. Round to 3 decimal places if needed. Answer in mL/min.