What are the two major neurotransmitters of the ENS in the digestive tract?

A. epinephrine and serotonin
B. epinephrine and norepinephrine
C. acetylcholine and epinephrine
D. norepinephrine and acetylcholine


D

Anatomy & Physiology

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The three major subdivisions of a cell are the ____________________, the ____________________, and the ____________________

Fill in the blank(s) with correct word

Anatomy & Physiology

Which of the following statements concerning the pancreas is true?

A. The endocrine portion of the gland is called the zona reticularis. B. The pancreas is located above the liver. C. Alpha and beta cells are associated with the acini. D. Most of the hormones produced by the pancreas flow into the pancreatic duct. E. Both glucagon and insulin are produced in the pancreatic islets.

Anatomy & Physiology

Spermiogenesis involves the ________.

A) formation of four haploid cells from a spermatogonium B) movement of sperm in the female genital tract C) formation of a functional sperm by the stripping away of superfluous cytoplasm D) sequence of events in the rete testis

Anatomy & Physiology

Which of the following statements regarding complement is FALSE?

A. Certain complement proteins are always circulating in the blood in an inactive state. B. The complement pathway is always dependent upon activation of the first complement protein, C1. C. Activated complement can stimulate cells to secrete inflammation-mediating chemicals. D. Activated complement can form a membrane attack complex, which forms pores in microbe membranes. E. Some activated complement proteins activate other complement proteins.

Anatomy & Physiology