FDA classification GRAS for dietary supplements stands for ___________________ ___________________ __.
Fill in the blank(s) with correct word
Question 2
A school nurse, teaching a health class to adolescent boys, explains that spermatozoa become motile and fertile during the 210 days they are stored in the:
1. Epididymis.
2. Vas deferens.
3. Prostate gland.
4. Urethra.