Zoology - Body Fluids and Circulation Question with Solution | TestHub
Which of the following connections in the human heart is CORRECT?
I. Fossa ovalis connects the right atrium to the left atrium
II. Ligamentum arteriosum connects the aorta and pulmonary trunk
III. Coronary sinus connects coronary veins to the left atrium
IV. A pulmonary trunk connects the right ventricle to the lungs
Options:
Answer:
Solution:
Fossa ovalis is a depression found in the inter-atrial septum. It is formed by the fusion of foramen ovale present in the fetal heart which connects the right atrium to the left atrium. Ligamentum arteriosum connects the aorta and pulmonary trunk. It is formed by the obliteration of ductus arteriosus in the fetus. A pulmonary trunk connects the right ventricle to the lungs. Coronary sinus connects coronary veins to the right atrium and not to left atrium.
