(a) What are the upper parts of the heart called ?
(b) What are the lower parts of the heart called ?
(c) What is the name of blood vessels which connect arteries to veins ?
(d) (i) Which side of the heart pumps blood into the lungs ?
(ii) Which side of the heart pumps blood into entire body (except the lungs) ?

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Solution

(a) Atria
(b) Ventricles
(c) Capillaries
(d)
(i) Right side
(ii) Left side

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Q. (a) What are the upper parts of the heart called?
(b) What are the lower parts of the heart called?
(c) What is the name of blood vessels which connect arteries to veins?
(d) (i) Which side of the heart pumps blood into the lungs?
(ii) Which side of the heart pumps blood into entire body (except the lungs)?

Q. Which parts of the heart pumps deoxygenated blood to the lungs?

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

The right side of the heart pumps the blood _______ the heart _______ the lungs.

Right atrium, Left atrium, Right ventricle, Left ventricle, Pulmonary, Systemic Aorta, Veins

The one-wav flow of blood in the human heart is from .........( 1) ......... where blood pour in oxygen enters, the ........ .(2). ........ which pumps blood through the .........( 3) ......artery to the lungs.Oxygen-rich blood returns to the heart by way of pulmonary..........(4).........,which empty into the .........( 5) .......... Then blood moves to the ......... (6) ......... which pumps the blood through the ......... (7) ......... and then to all the arteries of the body except those carrying blood to the lungs.

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(a) Atria (b) Ventricles (c) Capillaries (d) (i) Right side (ii) Left side

(a) Atria
(b) Ventricles
(c) Capillaries
(d)
(i) Right side
(ii) Left side