The hair is present in every part of the human body except the lips, palm, the nipple, etc. the color and the structure of hair may vary due to age. In the sixth month of fetal development, the hair is very delicate and is termed as lanugo, during the birth time the baby has pigmented hairs which are termed as terminal hairs. The lanugo hair is replaced by the vellus hairs which get replaced during puberty. The growth of hairs consists of growth and resting phases. In the growth phase, the hair will grow in length due to the production of new cell matrix to get keratinized and die, after this the hair growth enters the resting phase the old hairs will be changed by new hairs that cause hair fall, therefore hair fall is normal.

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Answer 1

Question

Chapter 5, Problem 13RAC

Summary Introduction

Introduction:

The hair is present in every part of the human body except the lips, palm, the nipple, etc. the color and the structure of hair may vary due to age. In the sixth month of fetal development, the hair is very delicate and is termed as lanugo, during the birth time the baby has pigmented hairs which are termed as terminal hairs. The lanugo hair is replaced by the vellus hairs which get replaced during puberty. The growth of hairs consists of growth and resting phases. In the growth phase, the hair will grow in length due to the production of new cell matrix to get keratinized and die, after this the hair growth enters the resting phase the old hairs will be changed by new hairs that cause hair fall, therefore hair fall is normal.

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Answer 2

Question

Chapter 5, Problem 13RAC

Summary Introduction

Introduction:

The hair is present in every part of the human body except the lips, palm, the nipple, etc. the color and the structure of hair may vary due to age. In the sixth month of fetal development, the hair is very delicate and is termed as lanugo, during the birth time the baby has pigmented hairs which are termed as terminal hairs. The lanugo hair is replaced by the vellus hairs which get replaced during puberty. The growth of hairs consists of growth and resting phases. In the growth phase, the hair will grow in length due to the production of new cell matrix to get keratinized and die, after this the hair growth enters the resting phase the old hairs will be changed by new hairs that cause hair fall, therefore hair fall is normal.

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Answer 3

Question

Chapter 5, Problem 13RAC

Summary Introduction

Introduction:

The hair is present in every part of the human body except the lips, palm, the nipple, etc. the color and the structure of hair may vary due to age. In the sixth month of fetal development, the hair is very delicate and is termed as lanugo, during the birth time the baby has pigmented hairs which are termed as terminal hairs. The lanugo hair is replaced by the vellus hairs which get replaced during puberty. The growth of hairs consists of growth and resting phases. In the growth phase, the hair will grow in length due to the production of new cell matrix to get keratinized and die, after this the hair growth enters the resting phase the old hairs will be changed by new hairs that cause hair fall, therefore hair fall is normal.

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Answer 4

Question

Chapter 5, Problem 13RAC

Summary Introduction

Introduction:

The hair is present in every part of the human body except the lips, palm, the nipple, etc. the color and the structure of hair may vary due to age. In the sixth month of fetal development, the hair is very delicate and is termed as lanugo, during the birth time the baby has pigmented hairs which are termed as terminal hairs. The lanugo hair is replaced by the vellus hairs which get replaced during puberty. The growth of hairs consists of growth and resting phases. In the growth phase, the hair will grow in length due to the production of new cell matrix to get keratinized and die, after this the hair growth enters the resting phase the old hairs will be changed by new hairs that cause hair fall, therefore hair fall is normal.

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Answer 5

Chapter 5, Problem 13RAC

Summary Introduction

Introduction:

The hair is present in every part of the human body except the lips, palm, the nipple, etc. the color and the structure of hair may vary due to age. In the sixth month of fetal development, the hair is very delicate and is termed as lanugo, during the birth time the baby has pigmented hairs which are termed as terminal hairs. The lanugo hair is replaced by the vellus hairs which get replaced during puberty. The growth of hairs consists of growth and resting phases. In the growth phase, the hair will grow in length due to the production of new cell matrix to get keratinized and die, after this the hair growth enters the resting phase the old hairs will be changed by new hairs that cause hair fall, therefore hair fall is normal.

Answer 6

Chapter 5, Problem 13RAC

Summary Introduction

Introduction:

The hair is present in every part of the human body except the lips, palm, the nipple, etc. the color and the structure of hair may vary due to age. In the sixth month of fetal development, the hair is very delicate and is termed as lanugo, during the birth time the baby has pigmented hairs which are termed as terminal hairs. The lanugo hair is replaced by the vellus hairs which get replaced during puberty. The growth of hairs consists of growth and resting phases. In the growth phase, the hair will grow in length due to the production of new cell matrix to get keratinized and die, after this the hair growth enters the resting phase the old hairs will be changed by new hairs that cause hair fall, therefore hair fall is normal.

Answer 7

Chapter 5, Problem 13RAC

Summary Introduction

Introduction:

The hair is present in every part of the human body except the lips, palm, the nipple, etc. the color and the structure of hair may vary due to age. In the sixth month of fetal development, the hair is very delicate and is termed as lanugo, during the birth time the baby has pigmented hairs which are termed as terminal hairs. The lanugo hair is replaced by the vellus hairs which get replaced during puberty. The growth of hairs consists of growth and resting phases. In the growth phase, the hair will grow in length due to the production of new cell matrix to get keratinized and die, after this the hair growth enters the resting phase the old hairs will be changed by new hairs that cause hair fall, therefore hair fall is normal.

Answer 8

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Answer 9

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Answer 11

Ch. 5.1 - Provide on example for each function of the...Ch. 5.2 - From deepest to most superficial, name and...Ch. 5.2 - Prob. 3AYP Ch. 5.2 - Prob. 4AYP Ch. 5.2 - Prob. 5AYP Ch. 5.2 - How do gentic factors, exposure to sunlight, and...Ch. 5.2 - How do carotene, blood flow, oxygen content, and...Ch. 5.2 - Prob. 8AYP Ch. 5.2 - Prob. 9AYP Ch. 5.2 - What are cleavage lines, and how are they related...

Solution Summary: The author explains that the correct answer is option (c) is colored by melanin.

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