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Anatomy week 6-12
| Question | Answer |
|---|---|
| What are the primary functions of axial muscles? | Axial muscles support and move the head, neck, and trunk, maintain posture, and assist in respiration. |
| Name two major groups of axial muscles. | Muscles of the head and neck (e.x sternocleidomastoid) and muscles of the trunk (e.x., rectus abdominis). |
| What is the main role of appendicular muscles? | They move the limbs and stabilize the pectoral and pelvic girdles. |
| Give an example of a muscle that moves the upper limb. | The deltoid muscle abducts the arm at the shoulder joint. |
| What are the two main divisions of the nervous system? | Central nervous system (CNS) and peripheral nervous system (PNS). |
| What structures make up the CNS? | The brain and spinal cord. |
| What is the primary function of the autonomic nervous system? | It regulates involuntary activities such as heart rate, digestion, and glandular secretion. |
| Name the two divisions of the autonomic nervous system. | Sympathetic and parasympathetic divisions. |
| What is the difference between general and special senses? | General senses include touch, pressure, pain, and temperature; special senses include vision, hearing, taste, smell, and equilibrium. |
| How do endocrine glands differ from exocrine glands? | Endocrine glands secrete hormones directly into the bloodstream; exocrine glands release substances through ducts. |
| What are the main components of blood? | Plasma, red blood cells, white blood cells, and platelets |
| What is the function of the heart valves? | They prevent backflow of blood and ensure one way circulation. |
| How does innate immunity differ from adaptive immunity? | Innate immunity is non-specific and present at birth; adaptive immunity is specific and develops after exposure to antigens. |
| What is the primary function of the respiratory tract? | To facilitate gas exchange oxygen intake and carbon dioxide removal. |