Pulmonary artery originates from the:

right ventricle

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left ventricle

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right auricle

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left auricle

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Solution

The correct option is A right ventricle
Pulmonary artery and the Pulmonary vein are a set of blood vessels that are related to the lungs. The Pulmonary artery carries deoxygenated blood from the right ventricle to the lungs for oxygenation, this oxygenated blood is carried back to the heart by the Pulmonary vein for systemic circulation i.e. for circulation to different parts of the body.
So, the correct option is 'Right Ventricle'.

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Pulmonary artery originates from

Given below is a set of five terms. Arrange and rewrite each set of terms in the correct order to be in a logical sequence.
(i) Water molecules, oxygen, grana, hydrogen and hydroxyl ions, protons.
(ii) Right auricle, left ventricle, vena cava, pulmonary vein, lungs, right ventricle, pulmonary artery, aorta, left auricle
(iii) Graafian follicle, oviducal funnel, fallopian tube, ovum uterus
(iv) Metaphase, telophase, prophase, anaphase , interphase
(v) Spongy cell, upper epidermis, stoma, palisade tissue, sub-stomatal space

Q. Fill in the empty boxes with suitable answers with respect to the valves of a mammalian heart.

Valve(s)	Location	Function
Bicuspid valve or Mitral valve	A.	Prevents the backward flow of blood from left ventricle to left auricle
B.	At the right auricular venticular aperture	Regulates the flow of blood from right auricle to right ventricle
Aortic valve	At the base of Aorta	C.
Semilunar valve	D.	Regulates the flow of blood from right ventricle to pulmonary artery

The pulmonary artery carries______ blood from the right ventricle of the heart.

Match the parts of the heart in Column I with the direction of flow of blood in Column II
$\begin{matrix} C o l u m n I & C o l u m n I I (i) R i g h t V e n t r i c l e & (a) P u m p s d e o x y g e n a t e d b l o o d i n t o t h e p u l m o n a r y a r t e r y (i i) P u l m o n a r y V e i n s & (b) T a k e s d e o x y g e n a t e d b l o o d (i i i) L e f t A t r i u m & (c) R e c e i v e s b l o o d f r o m d i f f e r e n t p a r t s o f t h e b o d y . (i v) P u l m o n a r y A r t e r i e s & (d) B r i n g o x y g e n a t e d b l o o d f r o m l u n g s t o t h e h e a r t . (v) L e f t V e n t r i c l e & (e) P u m p s b l o o d i n t o t h e a o r t a . (v i) R i g h t A u r i c l e & (f) R e c e i v e s d e o x y g e n a t e d b l o o d f r o m t h e p u l m o n a r y v e i n s . \end{matrix}$

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