Which of the following does not contribute to venous return?

A) Widespread vasodilation
B) The suction created by the atria slightly expanding during ventricular systole
C) Contraction of skeletal muscles of the limbs
D) The difference of pressure between venules and the venae cavae
E) The expansion and contraction of the thoracic cavity during ventilation


A

Anatomy & Physiology

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The femur articulates with the tibia at the

a. linea aspera. b. medial and lateral condyles. c. head of the femur. d. greater trochanter of the femur.

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a. ACTH b. ADH c. LH d. TSH

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