Human Circulatory System

Q. Blood pressure in the pulmonary artery is:

1. Same as that in the aorta
2. more than that in the carotid
3. more than that in the pulmonary vein
4. less than that in the venae cavae

Q.

Question 17
Which of the following statement(s) is/are true about the heart?

(i) Left atrium receives oxygenated blood from different parts of the body while right atrium receives deoxygenated blood from lungs.

(ii) Left ventricle pumps oxygenated blood to different body parts while right ventricle pumps deoxygenated blood to lungs.

(iii) Left atrium transfers oxygenated blood to right ventricle which sends it to different body parts.

(iv) Right atrium receives deoxygenated blood from different parts of the body while left ventricle pumps oxygenated blood to different parts of the body.

(a) (i)
(b) (ii)
(c) (ii) and (iv)
(d) (i) and (iii)

Q.

What are coronary blood vessels?

Q. Which of the following vessels has more nutrient than other?
a) vein arising from liver b) superior vena cava c) vein arising from muscles c) vein arising form kidney

Q. Describe the flow of blood through the heart of human beings.

Q. The oxygenated blood is carried from lungs to left auricle by __.

1. aorta
2. vena cava
3. pulmonary vein
4. pulmonary artery

Q.

The formation of larger lymph vessels from lymph cappilaries combination give rise to ___

1. Supraclavicular lymph node

2. Thoracic lymph duct

3. Lymphatic valves

4. Lymphangion

Q.

The diagrams given below are cross-sections of blood vessels.

Name the parts labelled 1-3.

Q. Which layer of blood vessel contains elastic ​
and muscular tissues?

A) Tunica externa
B) Tunica media
C) Tunica intima

Q.

In the hepatic portal system why does the deoxygenated blood from the veins gets into the liver ?

Q. Describe the flow of blood through the heart of human beings.

Q. Coagulation of blood in vessels is prevented during normal circulation by

1. Heparin
2. Prothrombin
3. Plasminogen
4. Thromplastin

Q. Oxygenated and deoxygenated blood mixes in the right ventricle.

1. True
2. False

Q. In the labels a - d of blood circulation, identify the label that gives correct function(s).

1. d - Dorsal aorta - takes blood from heart to body parts, $p{O}_2$ = 95 mm Hg
2. a - Pulmonary vein - takes impure blood from body parts, $p{O}_2$ = 60 mm Hg
3. b - Pulmonary artery - takes blood from heart to lungs, $p{O}_2$ = 90 mm Hg
4. c - Vena cava - takes blood from body parts to right auricle, $pC{O}_2$ = 45 mm Hg

Q.

Which blood vessel has the largest amount of urea?

1. Renal vein

2. Hepatic vein

3. Hepatic portal vein

4. Dorsal aorta

Q. The given figure shows the schematic plan of blood circulation in humans with labels A to D. Identify the label and give its function?

1. C - vena cava - takes blood from body parts to the right auricle, Pco2 = 45 mm Hg
2. D - Dorsal aorta -takes blood from heart to body parts, Po2 = 95 mm Hg
3. A - Pulmonary vein - takes impure blood from body parts, Po2 = 60 mm Hg
4. B - Pulmonary artery - takes blood from heart to lungs, Po2 = 90 mm Hg

Q. Describe the flow of blood through the heart of human beings.

Q.

after taking urea from liver where does the hepatic vein take urea to??