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Blood vessels taking blood from lungs to heart are

Cardiac veins
Pulmonary arteries
Cardiac arteries
Pulmonary veins
Additional Questions

The vein that does not directly open into the heart is :

Answer

Muscles which help in circulation of blood of Cockroach are

Answer

Among the following stem cells, which are found in the umbilical cord?

Answer

The thread like tendons of papillary muscles inserted upon the flaps of tricuspid and bicuspid valves are

Answer

Maximum amount of oxygen is exchanged from the blood in the

Answer

During ventricular systole

Answer

Given below are four statements (a-d) regarding human blood circulatory system

(a) Arteries are thick-walled and have narrow lumen as compared to veins

(b) Angina is acute chest pain when the blood circulation to the brain is reduced

(c) Persons with blood group AB can donate blood to any person with any blood group under ABO system

(d) Calcium ions play a very important role in blood clotting

Which two of the above statements are correct?

Answer

An artificial pace-maker is implanted subcutaneously and connected to the heart in patients

Answer

The following are the branches of dorsal aorta:

I. Intercostal
II. Phrenic
III. Coeliac
IV. Anterior mesenteric
V. Posterior mesenteric
Of these which set of arteries supply the blood to the glands of digestive system?

Answer

Number of WBCs present in one mm3 of blood is

Answer
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