Explanation:
Physical antagonists.
Chemical antagonists.
Physiological antagonists.
Pharmacological antagonists.
Allosteric antagonists
250 minutes total, I hope this helps!
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:
Often teens take risks due to peer pressure .