Blood returning to the heart from the systemic circuit first enters the

A) right atrium.
B) right ventricle.
C) left atrium.
D) left ventricle.
E) conus arteriosus.


Answer: A

Anatomy & Physiology

You might also like to view...

The femorotibial and femorpatellar joint in quadrupeds is the ______________ joint

Fill in the blank(s) with correct word

Anatomy & Physiology

Cytotoxic T cells

a. are not the most numerous of the T cells. b. secrete B-cell growth factor and T-cell growth factor. c. confer greater phagocytic properties on macrophages, converting them into angry macrophages. d. release antigens. e. bind with class II MHC glycoproteins.

Anatomy & Physiology

Which of the following conditions is mismatched with its description?

A. Hemorrhagic anemia - loss of blood from the body B. Pernicious anemia - loss of blood from the body C. Hemolytic anemia - increased destruction of erythrocytes D. Iron deficiency anemia - lack of iron absorption for erythropoiesis E. Aplastic anemia - bone marrow fails to produce erythrocytes

Anatomy & Physiology

The ____ trunk drains the head and neck

a. jugular b. intestinal c. lumbar d. bronchomediastinal

Anatomy & Physiology