As a starting point try this (make sure to use your own email address or something so you aren't sending out to actual people yet).
Code:
Dim rsData As DAO.Recordset
Dim rsEmails As DAO.Recordset
Dim strBody As String
Set rsEmails = CurrentDb.OpenRecordset("SELECT Email FROM oameni;")
While Not rsEmails.EOF
Set rsData = CurrentDb.OpenRecordset("SELECT * FROM [oameni si activitati q cu coordonatori] WHERE Email='" & rsEmails!email & "';")
While Not rsData.EOF
'code to build email body using rsData record
strBody = strBody & rsData!FieldName & vbCrLf
rsData.MoveNext
Wend
'code to send email
DoCmd.SendObject acSendNoObject, , , rsEmails!email, , , "subject", strBody, False
rsData.Close
rsEmails.MoveNext
Wend