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The main purpose of the ribs is to protect the heart and lungs. Boys tend to have larger lungs, so they need larger rib cages to protect them.
Wiki User
∙ 12y ago
Wiki User
∙ 13y agoWomen/girls produce hormones that boys/men don't have so they have breasts. Give a male the same hormones and they grow breasts.
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Are boys foot sizes bigger than girls?
Ni girls shoes are bigger then boys.
Do boy hermit crabs get bigger than girls?
girls get bigger than boys
Why are boys more bigger than girls?
Because boys grow tall faster then girls.
How much bigger is a girls than a boys?
NOT VERY
What is the difference between boys and girls softball?
In boys softball they use a bigger ball than the girls =)
Girls are more spendthrift than boys?
Answer No. It depends on the individual. There are many boys/men who are bigger spenders than girls/women.
Are girls shoes sized bigger than boys shoes?
no
Why did boys and girls at the sajme age differ in height and weight?
they are not the same because the boys are bigger and taller than the girls
Why are Boy's butts so much bigger than Girl's butts?
Boys are bigger than Girls in general.
How do you know if a flie is a boy or a girl?
the boys are bigger than the girls
is size 5 girls the same as size 5 boys?
No the size 5 for Boys are bigger than size 5 for girls
Why do boys need more calcium than girls?
Because boys have a bigger body structure than girls. Their bones tend to be much larger than that of a girl so that is why they need more calcium than girls.
