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Questions and Answers
What is the function of capillaries in the body?
Which body system consists of groups of organs acting together to perform functions?
Where is the buccinator muscle located in the body?
What is the role of the cell membrane in a cell?
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Which nerve affects the muscles of the mouth?
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What are centrioles and what is their role in cell division?
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Which part of the body does the cervical cutaneous nerve affect?
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What is the function of the brain?
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What is contained within the cranium?
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Study Notes
Capillaries
- Capillaries are small blood vessels that connect arterioles and venules.
- They facilitate the exchange of oxygen, carbon dioxide, nutrients, and waste products between blood and tissues.
Organ Systems
- The body is organized into systems; the organ system consists of groups of organs working collectively to perform specific functions, such as the digestive or respiratory system.
Buccinator Muscle
- The buccinator muscle is located in the mouth, forming the wall of the cheeks and aiding in facial expressions and chewing.
Cell Membrane
- The cell membrane, also known as the plasma membrane, regulates the passage of substances in and out of the cell, maintaining homeostasis and protecting cellular integrity.
Nerve Affecting Mouth Muscles
- The facial nerve is responsible for controlling the muscles of the mouth, enabling actions such as smiling and chewing.
Centrioles
- Centrioles are cylindrical structures found in animal cells that play a crucial role in cell division by organizing the mitotic spindle, ensuring proper chromosome separation.
Cervical Cutaneous Nerve
- The cervical cutaneous nerve affects areas of the neck and skin, providing sensory information from these regions to the brain.
Function of the Brain
- The brain serves as the control center for the body, processing sensory information, coordinating responses, and regulating vital functions like breathing and heart rate.
Cranium Contents
- The cranium houses and protects the brain, containing cerebrospinal fluid, blood vessels, and connective tissues critical for brain function and protection.
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Description
Test your knowledge of human anatomy terminology by matching words to their definitions, such as 'brain', 'capillaries', 'cell membrane', and more.
