Grade 12 Anatomy and Physiology Worksheet

Grade 12 Anatomy and Physiology

Read each question carefully and answer to the best of your ability. Show all your work where applicable.

1. Which chamber of the heart pumps oxygenated blood to the rest of the body?

2. Label the indicated parts of the human heart in the diagram below.

A.  

B.  

C.  

D.  

3. The functional unit of the nervous system is the  .

4. Neurotransmitters are released from the   terminal and bind to receptors on the   neuron.

5. The brain and spinal cord make up the   nervous system.

6. Briefly describe the function of the myelin sheath on a neuron.

7. Identify the main parts of the neuron shown below.

A:  

B:  

C:  

8. The small intestine is primarily responsible for water absorption.

9. Bile is produced by the gallbladder and aids in fat digestion.

10. The image below shows the human digestive system. Identify the organ labeled 'A'.

Organ A:  

11. Choose one major organ system (e.g., respiratory, endocrine, skeletal) and explain its primary functions and how it interacts with at least two other organ systems to maintain homeostasis in the human body.