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Stack 2 Anatomy
Weeks 6-12
| Question | Answer |
|---|---|
| What are axial muscles? | Muscles that support and move the head, neck, spine, and trunk. They help with posture and protect internal organs. |
| What are appendicular muscles? | Muscles that move the arms and legs. They attach to the limbs and allow movement like walking, lifting, and reaching. |
| Neurons | The main cells of the nervous system that send electrical signals throughout the body. |
| Neuroglia (Glial cells) | Cells that support, protect, and nourish neurons. They do not send signals but are essential for neuron health. |
| What is the difference between the CNS and PNS? | The CNS includes the brain and spinal cord. The PNS includes all nerves outside the CNS that carry signals to and from the body. |
| What does the Autonomic Nervous System control? | Involuntary actions like heart rate, breathing, digestion, and blood pressure. It includes the sympathetic (fight or flight) and parasympathetic (rest and digest) systems. |
| Special senses | Vision, hearing, taste, smell, and balance—senses that have specific organs dedicated to detection. |
| What does the endocrine system do? | It releases hormones into the bloodstream to control growth, metabolism, stress response, and reproductive functions. |
| What is the main function of the heart? | To pump blood throughout the body, delivering oxygen and nutrients while removing waste like carbon dioxide. |
| How do the lymphatic/immune system and respiratory system work together? | The respiratory system brings in oxygen and traps pathogens, while the immune system fights infections that enter through the airways. |