How many pulmonary veins enter the heart?

এই অধ্যায়ের আরও প্রশ্ন

• C-03-Q142The wall of an artery is —
• C-03-Q143Are valves present in the artery?
• C-03-Q144The fine branches of artery are called —
• C-03-Q145The pulmonary artery carries —
• C-03-Q146The wall of a vein is —
• C-03-Q147Pulmonary vein carries —
• C-03-Q148Vein ends at —
• C-03-Q149The wall of capillary is made of —
• C-03-Q150Exchange of nutrients, gases and wastes between blood and tissues occurs in —
• C-03-Q151Spontaneous contraction of the heart is called —