The outer muscle layer of the digestive tract consists of circular smooth muscle

Indicate whether the statement is true or false


F

Anatomy & Physiology

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The blood vessels in the cardiovascular system are subdivided into three circuits known as the __________.

a. pulmonary, systemic, and arterial circuits b. lymphatic, pulmonary, and systemic circuits c. pulmonary, venous, and systemic circuits d. coronary, pulmonary, and systemic circuits

Anatomy & Physiology

Explain how the ionic compound sodium chloride dissolves in water

A) The positive poles of water molecules are attracted to the negatively charged chloride ions, and the negative poles of water molecules are attracted to the positively charged sodium ions. B) The positive poles of water molecules are attracted to the positively charged chloride ions, and the negative poles of water molecules are attracted to the negatively charged sodium ions. C) The negative poles of water molecules are attracted to the negatively charged chloride ions, and the positive poles of water molecules are attracted to the positively charged sodium ions. D) The negative poles of water molecules are attracted to the positively charged chloride ions, and the positive poles of water molecules are attracted to the negatively charged sodium ions. E) Sodium chloride is hydrophobic so it does not dissolve in water.

Anatomy & Physiology

Which of the following is a proton donor?

A. A salt B. An acid C. A base D. Glucose E. A neutral substance

Anatomy & Physiology

Where are the central chemoreceptors located?

a. aortic bodies b. carotid bodies c. lungs d. pons e. medulla

Anatomy & Physiology