Answer:The esophagus is a muscular tube connecting the throat (pharynx) with the stomach. The esophagus is about 8 inches long, and is lined by moist pink tissue called mucosa. The esophagus runs behind the windpipe (trachea) and heart, and in front of the spine.
Explanation:
Answer:
Even though the symptoms of the stimulants and depressants are quite opposite, the causes of these symptoms are completely unrelated. A stimulant could cause one area of the brain to release a chemical and a depressant could affect a completely different area of the brain. They don't have to counteract each other.
Explanation:
The answer is B- seminal vesicles
Answer:
B. No, He should not let her conduct her research because it violates the ethical rule that participants must freely choose to participate in a study and must be free to withdraw at any time.
Explanation:
The Consent Form is the document that explains, in clear and objective language, all the procedures, advantages and disadvantages of being a research subject in a given protocol. It is the first step for the patient to join a study. This term must be signed by anyone who will participate in a scientific research. It should not contain the basic information of the sponsor and the Ethics Committee that approved this project, and is mandatory for all participants. Dr. Portree wants to do a study with students from a university without allowing them to sign the consent form, this is very serious because it violates ethical research rules, so it should be prevented from conducting your study.