Venae cavae open into

Inferior vena cava opens into

Where do superior and inferior vena cava open into?

Blood from superior vena cava flows into ______

Identify the correct sequence of the cardiac cycle. (i) Blood through the pulmonary vein and vena cava enters in left and right atria respectively. (ii) AVN generates action potential for the ventricles. (iii) SAN bring about atrial systole . (iv) Ventricular systole pushes blood away from the heart .

Identify the correct sequence of the cardiac cycle. (i) Blood through the pulmonary vein and vena cava enters in left and right atria respectively. (ii) AVN generates action potential for the ventricles. (iii) SAN bring about atrial systole . (iv) Ventricular systole pushes blood away from the heart .

The alveoli open into.........

The alveoli open into.........

Vena cava drain the blood into the _________ atrium while pulmonary veins drain the blood into the _____

Differentiate between the following pair of terms: (a) Platelets and WBC: ................. (b) pulmonary artery and pulmonary vein: ............ (c) Vena cava and aorta: (d) RBC and WBC: ..........