Testosterone and oestrogen
Hormones behind the changes of puberty.
Growing up
Around the age of 10 to 12, we notice many changes in how we look. Our friends change too.
What do you think brings about these changes?
What this lesson covers
The idea
The changes associated with puberty are caused by the secretion of testosterone in males and oestrogen in females.
Growing up
Around the age of 10 to 12, we notice many changes in how we look. Our friends change too.
What do you think brings about these changes?
- Hormones secreted in the body
- The food we ate that week
- A reflex arc in the spinal cord
Changes at puberty
Press Next step.
Two hormones
Puberty brings changes in boys and girls. They are caused by different hormones: testosterone in males and oestrogen in females.
The changes associated with puberty are caused by the secretion of testosterone in males and oestrogen in females.
Notes
The changes associated with puberty are caused by the secretion of testosterone in males and oestrogen in females.
Check yourself
Which hormone causes the changes of puberty in males?
Which hormone causes the changes of puberty in females?
The changes associated with puberty are because of what?
- Testosterone — correct. Yes!
- Oestrogen. Oestrogen is the hormone in females.
- Thyroxin. Thyroxin regulates carbohydrate, protein and fat metabolism.
- Testosterone. Testosterone is the hormone in males.
- Oestrogen — correct. Yes!
- Insulin. Insulin helps regulate blood sugar levels.
- A lack of iodine in the diet. Iodine deficiency can cause goitre. Puberty changes are caused by testosterone and oestrogen.
- Impulses carried by cranial nerves. The book says puberty changes are caused by the secretion of testosterone in males and oestrogen in females.
- The secretion of testosterone in males and oestrogen in females — correct. Yes!