Podcast
Questions and Answers
How much does the diameter of the heart increase during puberty?
How much does the diameter of the heart increase during puberty?
The diameter of the heart increases by about 50%.
What changes occur to the larynx and vocal cords during puberty?
What changes occur to the larynx and vocal cords during puberty?
The larynx grows larger and the vocal cords lengthen and thicken, causing the voice to deepen.
What is the result of increased activity in sweat and sebaceous glands during adolescence?
What is the result of increased activity in sweat and sebaceous glands during adolescence?
There is an increase in sweat secretion and common occurrences of acne and pimples.
Describe how body shape changes during puberty and how these changes differ by gender.
Describe how body shape changes during puberty and how these changes differ by gender.
What happens to the sex organs of boys and girls during puberty?
What happens to the sex organs of boys and girls during puberty?
Flashcards
What happens to the heart during puberty?
What happens to the heart during puberty?
The heart's diameter increases by about 50%, and its weight almost doubles. This means it gets bigger and stronger to handle the increased blood flow.
What happens to the lungs during puberty?
What happens to the lungs during puberty?
The lungs also increase in size and capacity, allowing for greater air intake and oxygen absorption to support a growing body.
How does the voice change during puberty?
How does the voice change during puberty?
The larynx grows, making vocal cords longer and thicker. This results in a deeper, more mature voice.
What causes acne during puberty?
What causes acne during puberty?
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What are the two main types of changes that occur during puberty?
What are the two main types of changes that occur during puberty?
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Study Notes
Changes in Body Size
- Heart and lung size increase, although less noticeable.
- Heart diameter increases by about 50%.
- Lung size and capacity increase.
Changes in Body Shape
- Body shape changes, different for boys and girls.
Changes in Voice
- Larynx (voice box) is a tube-shaped piece of cartilage.
- Before puberty, the larynx is small, vocal cords are short and thin, resulting in a high-pitched voice.
- During puberty, the larynx grows bigger, vocal cords lengthen and thicken, resulting in a deeper voice.
- The larynx grows larger during puberty and protrudes outwards, called the Adam's apple.
- The process takes a few months, and once the larynx grows fully, vocal changes stabilize
- Males have longer vocal cords than females, which results in differences in pitch.
Increased Activity of Sweat and Sebaceous Glands
- Sweat glands develop fully during puberty.
- Sweat secretion increases in adolescents.
- Acne and pimples are common due to increased sebum production from sebaceous glands.
Sexual Development
- Physical and sexual development occurs during puberty.
- Development of sex organs (testes in boys, other organs in girls) happen simultaneously.
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