B
hope this helped. let me know if i was right
A: glans penis- sex organ
B: scrotum- keeps testis at a lower temperature
C: testicles(testis)- produces sperm and testosterone
D: seminal vesicle/ ejaculatory duct- produces seminal fluid which feeds the sperm and allows them to swim.
Answer:
<u>B. Organ</u>
Explanation:
Atom → Cell → Tissue → Organ → Organ System → Organism