The sperms are ___ when first formed, and from the ___ they pass into the ___ ___ where ___ is completed and storage occurs.
immobile | seminiferous tubules | much-coiled | epididymis | maturation
mobile | seminiferous tubules | curled | epididymis | fertilisation
immobile | interstitial cells | coiled | sperm duct | maturation
mobile | epididymis | straight | sperm duct | spermatogenesis
Waves of ___ in the ___ of the ___ move sperms during ___.
contraction | muscular walls | sperm ducts | an ejactulation
expansion | cellular walls | sperm ducts | intercourse
contraction | muscular walls | epididymis | an erection
reactions | flexible walls | seminiferous tubules | an ejactulation
Sperms are transported in a nutritive fluid secreted by mainly the ___ and ___, which add their secretions just at the point where the ___ join with the ___, below the base of the ___.
seminal vesicles | prostate gland | sperm ducts | urethra | penis
sperm ducts | prostate gland | seminal vesicles | urethra | seminiferous tubules
seminal vesicles | prostate gland | sperm ducts | oviduct | epididymis
seminal vesicles | urethra | sperm ducts | prostate gland | penis
as well as ___, semen is a ___ ___ fluid; and during and ejaculation, the ___ at the ___ is closed.
providing nutrients for the sperms | slightly | alkaline | sphincter muscle | base of the bladder
removing nutrients from the sperms | slightly | acidic | arteries | top of the bladder
transporting the sperms | highly | alkaline | the opening | base of the bladder
subduing the sperms | highly | acidic | sphincter | top of the bladder