Can I get some help please

3. Testes and ovaries

4. Vas deferens

5.  Testosterone, estrogen, and progesterone

6. The sperm is released from the testes and is then passed through the epididymis, ductus deferens, ejaculatory duct, and then the urethra.  

Explanation:

I agree with the other person “Radiation. Both conduction and convection transfer energy through matter. Radiation is the only way of transferring energy that doesn't require matter. Radiation is the transfer of energy by waves that can travel through empty space.”