Ch 21: Online 2 Flashcards
Human Development and Genetics
1
Q
When does the heart begin to beat?
A
1st month
2
Q
When do the testes descend?
A
8th month
3
Q
When do normal infant proportions begin?
A
7th month
4
Q
When do nails develop?
A
3rd month
5
Q
When do fingers & toes become apparent?
A
2nd month
6
Q
When do eyelashes/eyebrows appear?
A
6th month
7
Q
When is lanugo shed?
A
9th month
8
Q
When do skeletal muscles become active?
A
5th month
