The the ends of the cardiac muscle cells to join cells

The intercalated discs at the ends of the cardiac muscle cells help to join cellsat the ends of the cardiac muscle cells help to join cellsat the ends of the cardiac muscle cells help to join cells.

myth: mosquito bites transmit hiv. & shaking hands often transmits hiv. & oral sex never transmits hiv.

fact: breastfeeding can transmit hiv. & unprotected sex transmits hiv.