Blood travels from the left atrium to the left ventricle through the

A) fossa ovalis.
B) semilunar valve.
C) conus arteriosus.
D) mitral valve.
E) tricuspid valve.


D) mitral valve.

Anatomy & Physiology

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Which sequence indicates the correct pathway for blood in the arterial flow of the upper appendage?

A.   Axillary artery - brachial artery - subclavian artery - ulnar artery B.   Brachial artery - subclavian artery - axillary artery - radial artery C.   Axillary artery - subclavian artery - radial artery - ulnar artery D.   Subclavian artery - brachial artery - axillary artery - radial artery E.   Subclavian artery - axillary artery - brachial artery - ulnar artery

Anatomy & Physiology

Of the following blood vessels, the greatest resistance to blood flow occurs in the:

veins capillaries arteries venules none of the choices are correct

Anatomy & Physiology

If plasma levels of ________ were low, excessive cholesterol may be deposited throughout the body tissues, and cardiovascular risk could increase.

A. low-density lipoprotein B. very low-density lipoprotein C. high-density lipoprotein D. medium-density lipoprotein

Anatomy & Physiology

Because humans stand and move upright, the term "dorsal" can be used in place of the term ________

A) Anterior B) Distal C) Inferior D) Posterior

Anatomy & Physiology