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Questions and Answers
Match the following parts of hair with their descriptions:
Match the following parts of hair with their descriptions:
Shaft = Visible part above the skin composed of keratin Root = Anchors the hair to the scalp beneath the skin Follicle = Pocket-like structure from which hair grows Hair bulb = Location where new hair cells are produced
Match the following functions of the scalp with their purposes:
Match the following functions of the scalp with their purposes:
Protective barrier = Guards against UV radiation and physical damage Sebaceous glands = Produce sebum to moisturize hair Density of blood vessels = Supplies nutrients and oxygen to hair follicles Moisturized scalp = Prevents dandruff and ensures healthy hair growth
Match the following conditions with their causes:
Match the following conditions with their causes:
Dandruff = Caused by a dry scalp Itching = Result of a dry scalp Hair breakage = Linked to a lack of moisture Healthy hair growth = Supported by a well-moisturized scalp
Match the following components of hair health with their characteristics:
Match the following components of hair health with their characteristics:
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Match the following terms with their definitions:
Match the following terms with their definitions:
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Match the following hair conditions with their effects:
Match the following hair conditions with their effects:
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Study Notes
Hair Structure
- Hair consists of three main components: the shaft, the root, and the follicle.
- The hair shaft is the visible part that extends above the skin's surface.
- Keratin, a protein, primarily composes the hair shaft, providing strength and flexibility.
Hair Root and Follicle
- The hair root is located beneath the skin and secures the hair to the scalp.
- Hair follicles are small structures where hair grows and contains the hair bulb, responsible for the production of new hair cells.
Scalp Functions
- The scalp acts as a protective barrier against environmental threats like UV radiation and physical damage.
- Sebaceous glands in the scalp produce sebum, which is crucial for moisturizing hair and acting as a defense against dryness and bacteria.
Scalp Health and Hair Growth
- A well-moisturized scalp contributes to the prevention of dandruff and supports healthy hair growth.
- A dry scalp can result in issues like itching, flaking, and hair breakage.
- The scalp has a rich supply of blood vessels that provide necessary nutrients and oxygen to hair follicles, essential for maintaining hair health.
Importance of Hair and Scalp Health
- Maintaining the health of both hair and scalp is vital for preventing hair disorders.
- Healthy hair and scalp contribute to a vibrant appearance and enhance overall protection for the hair system.
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Description
Test your knowledge of the structure and composition of human hair, including the shaft, root, and follicle. Learn about the role of keratin and how it affects hair strength and flexibility.
