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Questions and Answers
What is the primary function of ciliated cells in the human body?
What is unique about the structure of palisade cells?
What is the main function of phloem cells?
What is a unique feature of nerve cells?
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What is the primary function of root hair cells?
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What is a consequence of smoking on ciliated cells?
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Study Notes
Ciliated Cell
- Lines air passages down to the lungs
- Has tiny hairs called cilia
- Functions to stop lung damage by sweeping mucus with trapped dust and bacteria back up the throat to be swallowed
Effects of Smoking
- Causes cilia to die
- Leads to mucus buildup, resulting in a smoker's cough
Palisade Cell
- Found in the top of a leaf
- Has a tall structure with a large surface area to catch as much sunlight as possible
- Packed with chloroplasts to absorb sunlight
- Functions to carry out photosynthesis to help make plant food
Phloem Cell
- Composed of sieve tube elements and companion cells that are living
- Functions to transport food substances (sugars) from leaves to other parts of the plant
Xylem Cell
- Composed of hollow, non-living cells with lignified walls
- Functions to conduct water and minerals from the root to the leaves of the plant
Nerve Cell
- Extremely elongated (long) cells
- Has many branches at both ends to connect to other nerve cells
- Long axis (main branch) is covered in fat to prevent electrical impulses from affecting surrounding parts of the body
- Functions to carry nerve impulses around the body
Root Hair Cell
- Has a large surface area to absorb lots of water
- Thin cell wall allows water to pass through easily
- Does not contain chloroplasts, unlike other plant cells
- Functions to absorb minerals and water
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Description
Learn about the structure and function of ciliated cells, which line air passages and help prevent lung damage, and palisade cells, which are found in leaves and are responsible for absorbing sunlight. Test your knowledge of these important cell types!
