Question

why is it that we do not have helpers in biology?

Answer 1

Yes we do @GIL.ojei there is ME, @Somy @aaronq and others

Answer 2

can you help me now cos every time i need help, i find no one there

Answer 3

Ill try :D

Answer 4

the number of spinal curves in an average adult human being is
2
3
1
4

Answer 5

@jagr2713

Answer 6

The shape of a normal adult human spine is shown in the diagram opposite. This labels the 4 curves of the vertebral column:

Cervical curve - formed by 7 cervical vertebrae
Thoracic curve - formed by 12 thoracic vertebrae
Lumbar curve - formed by 5 lumbar vertebrae
Sacral curve - formed by 5 sacral vertebrae

Answer 7

here go to my tutorial that talks about this here @GIL.ojei
http://openstudy.com/study#/updates/551f5cd0e4b0a67c2b902861

Answer 8

ok

Answer 9

can't find that. please help

Answer 10

look where is says chest and upper back :D

Answer 11

ok

Answer 12

4 then?

Answer 13

Correct

Answer 14

The last spinal curve to be formed in an individual is
Pelvic curve
lumbar
thoracic curve
cervical curve

Answer 15

is it ought to be Coccyx