Answer:
Causes of male infertility. These may include: Abnormal sperm production or function due to undescended testicles, genetic defects, health problems such as diabetes or infections such as chlamydia, gonorrhea, mumps or HIV. Enlarged veins in the testes (varicocele) can also affect the quality of sperm.
Explanation:
<u>Answer:</u>
Statistically speaking, smoking cigarettes is positively correlated with the use of illicit drugs.
<u>Explanation:</u>
- Illicit drugs are the substances that either stimulate, or create hallucinogenic effects or inhibit the nervous system.
- Due to its addictive nature and the threats it poses to the health of the user, its use has been reprimanded globally and have been illegalized.
- And, many surveys have shown that the use of these gateway drugs like LSD, tobacco, marijuana is common among smokers and drinkers.
One of the important function of the nerves system is Release hormones.
A) Release hormones
<u>Explanation:</u>
<u>About the Nervous system and the endocrine system:</u>
The nervous system. The endocrine system is also necessary for communication. This system employs glands inhabited throughout the body, which emit hormones that regulate a kind of things such as metabolism, digestion, blood pressure and growth.
The endocrine system associated with the nervous system in that it performs a vital function in managing and controlling various of the body's functions. Although while the nervous system utilises the nerve impulses and also the neurotransmitters for information, the endocrine system employs chemical messengers which are known as Hormones.