The blood vessels that supply blood to the heart muscles …………
A) Aorta
B) Pulmonary artery
C) Coronary arteries
D) Vagus nerves
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a. Amphibians and reptiles have a 3 chambered heart with ___atria and ___ventricle. b. heart is ___derived organ and protected by a double walled memb
Correct Answer - a. 2,1 b. Mesodermal,Pericardium c. 3,Tricuspid d. Thicker. e. 72, Pacemaker f. 30% g. Joint diastole h. P i. Coronary j. Decrease, Cardiac output
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The substance that prevents blood clotting in blood vessels is A) prothrombin
Correct option is C) heparine
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The vessels which stick to the walls of heart are ………
(C) Coronary vessels
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Read the following sentences. 1. Blood vessels carrying blood from body parts are veins 2. Arteries are not as strong as veins
Answer is (B) 1, 3, 4
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What is the shape of the heart that you found through the activity with the help of specimen of goat’s heart ?
(B) Pear fruit
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Cardiac muscles are present in A) Heart B) Lung
Correct option is A) Heart
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Voluntary muscles are also known as A) skeletal muscles B) unstriated muscles
A) skeletal muscles
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Myocytes are seen in ………… A) Non-striated muscles B) Striated muscles
B) Striated muscles
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Choose the correct matching from the following. List – A 1) Smooth muscles 2) Skeletal muscles
C) 1 – a, 2 – b, 3 – c
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Distinguish between smooth muscles and skeletal muscles.
Smooth Muscles Skeletal Muscles 1. These muscles are found in the walls of visceral organs and blood vessels. These muscles are found attached to the bone. 2. Each muscle cell is spindle shaped or fusiform and...
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