The leading cause of peptic ulcer disease is currently believed to be infection of the stomach by a bacteria is called A. Helicobacter pylori
B. Streptococcus
C, Helicobacter pyogens
D. Streptococcal pylorus

A. Helicobacter pylori

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The leading cause of peptic ulcer disease is currently believed to be infection of the stomach by a bacteria is called Helicobacter pylori.

Explanation:

An infection that develops from Helicobacter pylori bacteria is one of the most common causes of peptic ulcers. It’s not clear how an H. pylori infection spreads, but it is believed that it may be transmitted from person to person through close contact.

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the answer is lactic acid from anaerobic respiration. the acid in lactic acid is what creates sore and burning muscles. if you think about how acid burns that will give you a clue for questions like this.

answer >   yes we do, women; have three holes, urethral opening(pee hole, vagina, and the women pee/girls pee out of the urethra like the men do; only they have a single opening to pee/ejaculate.   (sorry if i'm too forward with this, but this is for a biology class, isn't it? )

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