QUESTIONS AND CORRECT ANSWERS
GRADED A+
●● Peridardium.
Answer: Serous membrane lining of the pericardial cavity. also called
the parietal peridarcium
●● Epicardium.
Answer: serous membrane covering the outer surface of the heart
●● Myocaridum.
Answer: Cardiac muscle tissue
●● Endocardium.
Answer: Simple squamous epithelium that lines the heart also
continuous with the endothelium of the great vessels.
●● Right Atria.
Answer: Receives blood from all parts of the body excluding the lings.
Larger than the left atria, receives blood from the superior and inferior
vena cava.
, ●● Superior Vena cava.
Answer: delivers blood to right atrium from the head, neck, upper limbs
and chest.
●● Inferior Vena Cava.
Answer: Carries blood to the right atrium from the rest of the trunk, the
viscera and the lower limbs.
●● Left Atria.
Answer: Receives blood form four pulmonary veins.
●● Right Ventricle.
Answer: Receives blood form the right atria, the two are separated by
the tricuspid AV valve. Send blood to the pulmonary arteries from the
pulmonary semilunar valve.
●● Left Ventricle.
Answer: Largest and thickest chamber. Receives blood from the left
atria, the two are separated by the AV mitral valve. Blood from the left
ventricle leaves through the aortic semilunar valve to be dispersed
throughout the body.
●● Blood flow through the heart.