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