Which embryonic layer gives rise to the lamina propria and muscularis externa?

A. Ectoderm
B. Endoderm
C. Mesoderm
D. Neural crest
E. Gastric tube


C. Mesoderm

Anatomy & Physiology

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Pain is a vital sign

Indicate whether the statement is true or false.

Anatomy & Physiology

The ______ cells are responsible for HCl production.

A. goblet B. mucous C. parietal D. chief

Anatomy & Physiology

When aldosterone is absent, sodium reabsorption in the nephron is

A. greatly increased. B. greatly decreased. C. unchanged.

Anatomy & Physiology

Which of the following is an organ?

A) blood B) heart C) peritoneum D) connective tissue E) mitochondrion

Anatomy & Physiology