1
how many teeth does an adult have?
14
24
32
16
2
how many bones in total do we have in the body?
18
1000
756
206
3
how many times does the heart beat in 1 minute?
60-100
75-200
54-105
4
what is the name of the vein that carries the blood?
none
heart veins
pulmonary veins
renal veins
5
what are the blood types?
F, G, H and MN
W, X, Y and Z
A, B, AB and O
