This is true.
The nervous system is made up of the brain and the spinal cord
True, it would take a couple of minutes to reach the brain once its in the blood stream
Answer:
C
Explanation:
By itself, spermicide prevents just 72% of pregnancies, the least effective of any major contraceptive measure. Because of its poor success rate, spermicide is often used in conjunction with other contraceptives such as patches and condoms.