The bladder is a muscular organ that stores urine.
The sac that regulates the temperature of testis is the scrotum.
The urethra extends through penis and is the tube that brings urine and semen.
The fluid containing sperms is called semen.
Answer:
D) Nails
Explanation:
Keratin that's found in our hair and nails is water proof
C. Musculoskeletal injuries seldom occur in healthcare occupations.
Mixtures and pure substances
