When a person is 65 years of age or older, he or she may be eligible for the following. CPP and OAS benefits: â¢ OAS Pension â for a person who has lived in Canada for at least 10 years after the. age of 18. â¢ Guaranteed Income Supplement â for a person who receives an OAS Pension and. has a low income.
The average size of a human cell varies quite a lot. a single nerve cell can be up to a meter long while a cheek cell averages about 50 micrometers or .05 mm. the average cell though is between 10 micrometers and 100 micrometers.
If scientists canât count all the cells in a human body, how can they estimate it? The mean weight of a cell is 1 nanogram. For an adult man weighing 70 kilograms, simple arithmetic would lead us to conclude that that man has 70 trillion cells.