[" 2.Systemic heart refers to "],[[" (a) The two ventricles together in humans "]],[" (b) The heart that contracts under stimulation from nervous "],[" system "],[" (c) Left auricle and left ventricle in higher vertebrates "],[" (d) Entire heart in lower vertebrates "]

Stimulation from sympathetic nervous system to heart causes decrease in

Stimulation from sympathetic nervous system to heart causes decrease in

Fill in the blanks: Left auricle and left ventricle is referred as ____________________ in higher vertebrates.

[" What is the location of "],[" atrio-ventricular node in "],[" the heart "],[" (A) Right upper corner of the "],[" right atrium "],[" (B) Lower left corner of the right "],[" atrium "],[" (c) Lower right corner of the right "],[" atrium "],[" (D) Lower left corner of the left "]

Left ventricle of human heart has thickest wall. Why?

What happens when right and left ventricle contract during pumping of blood by human heart?

The pathway of blood from left ventricle of the heart to the right atrium is

The pathway of blood from left ventricle of the heart to the right atrium is