Verified Answer :

W0lf93

Lead poisoning from inhalin or swallowing lead , causes enormous problems. Children begin to show the symptoms like difficulty to learn, gorwth and behaviour. Lead mixes with blood and destru red blood cells, thereby causing anemia. Lead also damages bones, causes problems in braething as well as headcahe, and stomach pain.

brocwilson02

The answer is C because kids used to get lead posioning all the time from pencil .