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how many lumbar vertebrae are there in the human body?

12
5
7
10
The human spinal column is made up of 33 bones - 7 vertebrae in the cervical region, 12 in the thoracic region, 5 in the lumbar region, 5 in the sacral region and 4 in the coccygeal region.
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Answers by country

12
5
7
10
answers
flagPakistan
17%
68%
6%
3%
29
flagCanada
20%
50%
30%
0%
10
flagthe United States
27%
47%
17%
7%
84
flagGermany
13%
47%
26%
13%
23
flagPoland
17%
45%
31%
4%
5571
flagAustralia
20%
41%
29%
8%
24
flagIndia
48%
36%
14%
0%
106
flagNigeria
26%
36%
31%
5%
19
flagthe United Kingdom
39%
28%
24%
5%
53
flagthe Philippines
57%
28%
7%
7%
14
flagGreece
41%
25%
25%
8%
12
flagRepublic of Ireland
40%
20%
0%
30%
10

How do baby birds get oxygen inside their eggs?

They have a large oxygen supply from the start
Oxygen is created during protein reduction
Oxygen comes in through pores in the shell
They don't need oxygen at all

How deep is the root system of a giant sequoia?

4 meters (13 feet)
20 meters (60 feet)
40 meters (130 feet)
80 meters (260 feet)

How many chromosomes does a mule have? (A horse has 64, a donkey has 62)

62
63
64
It is infertile and does not have chromosomes

In which of the following devices is a stepper motor used?

pedometer
speedometer
quartz watch
computer