Lesson 3 - 2025-01-16 - Puberty and Bioogical Development

Question 1

Job of the Endocrine system

Answer 1

Maintains bodily functions by creating and releasing hormones

Question 2

Part of the brain that controls the endocrine system?

Answer 2

The Hypothalamus

Question 3

What is the HPG Axis

Answer 3

A feedback loop that involves the Hypothalamus
Pituitary
&
Gonads

Question 4

The set point of puberty is when

Answer 4

hormones rise

Nobody knows when it is.

Question 5

When hormones are too low, the hypothalamus …

Answer 5

signals the pituitary with Gonadotropin-releasing Hormone (GnRH)

Question 6

When GnRH is released, the pituitary ….

Answer 6

sends luteinizing hormone (LH) and folicle stimulating hormone (FSH) to the gonads

Question 7

What do the gonads do?
What organs?

Answer 7

Produces

Androgens
Testes

Hormones
Ovaries
Estrogen

Question 8

The consequence of increased hormones

Answer 8

physical and sexual development

Question 9

2 essential hormones that increase during puberty for both girls and boys (and corresponding factors [math])

Answer 9

Testosterone
20xboy, 2x girl

Estradiol
8xgirl, 2xboy

Question 10

When do adolescents start/end growth spurts (roughly)

Answer 10

Start:
10yr girl, 12yr boy

End:
16yr girl, 18boy

Question 11

How the body grows during puberty

Answer 11

Asynchronous

Extremities grow the fastest

Question 12

The definition of menarche

Answer 12

First menstruation

Question 13

The definition of Precocious Puberty

Answer 13

Puberty before 8yrs old

Question 14

Factors related to earlier female development

Answer 14

Good nutrition

Physical/Sexual abuse
Absent fathers/presence of a stepfather
Conflict in homes
Economic instability

Question 15

Factors related to later female development

Answer 15

Two Parents
Economic stability
Alcohol consumption
Malnutrition

Low conflict homes
Intense physical activity