Given below is a diagram depicting the male reproductive system. Match the parts labelled with the description given alongside.
i. The glands that add their fluid to the semen
ii. Sperms leave the body through this duct
iii. Conveys sperm from the testicle to the urethra
iv. Sperm is stored here
Alex walks along a curved path and takes several turns while walking from home to school. How can you best describe his displacement?