What way can you get to your Target Heart Rate zone? Jogging for 30 minutes
Walking for 30 minutes
Laying and sitting down
Sprinting for 40 yards

Which hormone controls the production of sperm

Can occur if you do not modify your workout after a break

*edit* i took the test and i picked a and it was incorrect for its c! rank the following suggestions for preventing std, in order of increasing effectiveness. 1) using latex condoms properly 2) using spermicidal foam or jelly with a monogamous partner 3) abstaining from sexual intercourse and genital contact a. 1, 2, 3c. 2, 1, 3