| A | B |
|---|
| Fertile | Has proper sperm count and good volitility and can reproduce properly |
| Spermatozoa | Male sex cell |
| Scrotum | Provides protection, Regulates temp, holds the testicles |
| chryptorchid | One or both testicles occasionally fail to descend |
| seminiferous tubules | tiny coiled tubes, Sperm formed |
| Epididymis | Transports the developing sperm cells from the testicle to the vas deferens |
| gomer bull | sterile bulls used to identify estrous |
| Urethra | Transports urine and semen through the penis |
| Seminal vesicles | Produces most of the semen liquid,Secretes this to mix with sperm |
| Cowper’s glands | flush and cleanse the urethra of any urine residue |
| Penis | Insemination organ |
| Penis tip | has many nerves |
| Ejaculation | the release of semen |
| sheath | Cover for the penis, Protects from injury |
| Penis retractor | Retractor muscles, pulls the penis into the sheath |
| penis defects | Impairments usually make the bull unable to breed. broken of mis shaped |
