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