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Question 11 Mark
State the Location: Bundle of His
Answer

Bundle of His: Arises from atrioventricular node, moves along inter-ventricular septum to the apex of the ventricle and then radiates upwards.

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Question 21 Mark
State the Location: Semilunar valves of the heart
Answer

Semilunar valves of the heart: Located in the arteries leaving the heart.

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Question 31 Mark
State the Location: Pulmonary vein
Answer

Pulmonary vein: Arises from lungs and pours blood into the left auricle.

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Question 41 Mark
State the Location: Bicuspid value
Answer

Bicuspid value: It is located in between the left auricle (atrium) and left ventricle left auricle.

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Question 51 Mark
State the Location: Sino-auricular node
Answer

Sino-auricular node: It is a special kind of muscle located in the heart.

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Question 81 Mark
State the Location: Hepatic portal vein
Answer
Hepatic portal vein: It is located between the alimentary canal and liver.
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Question 111 Mark
State the Function: Haemoglobin
Answer
It is the respiratory pigment, helps to carry $O_2$​​​​​​​ to the body parts.
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Question 121 Mark
State the Function: Bicuspid valve
Answer
It prevents the reverse flow of blood from the left ventricle into the left auricle.
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Question 141 Mark
State the Function: Bundle of His
Answer
They carry the wave of excitation from atrio ventricular node to the.ventricles.
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Question 151 Mark
State the Function: Semilunar valves of the heart
Answer
They preyent the back flow of blood from the pulmonary artery and aorta into the heart.
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Question 171 Mark
State the Function: Vena cava
Answer
To carry deoxygenated blood from the body parts to the right auricle of the heart.
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Question 191 Mark
State the Function: Tricuspid valve
Answer
It prevents the reverse flow of blood from the right ventricle into the left auricle.
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Question 231 Mark
State the Function: Lymph
Answer
It transports fatty acids and glycerol, it also protects the body against microorganisms.
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Question 251 Mark
State the Function: Pulmonary vein
Answer
Brings oxygenated blood from lungs to the heart for circulation throughout the body.
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Question 261 Mark
Why are capillaries thin walled?
Answer
The capillaries are thin walled, because they help in the exchange of gases and diffusion of materials into the cells. This diffusion is possible due to the thinness of its walls.
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Question 271 Mark
Define the following terms Diapedesis.
Answer
The process in which the leucocytes or white blood cells squeeze out through the walls of blood capillaries at the site of injury to fight against pathogens.
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Question 281 Mark
The table below is designed to indicate the major arteries emerging from the aorta and supplying blood to different organs.
Fill in the blanks with suitable answers.
Name of the Artery Supplying to
(i) Kidney
(ii) Genital
(iii) Right forelimb
(iv) Phrenic
(v) Liver
(vi) Chest
Answer
(i) Renal,
(ii) Gonads (testis, ovary),
(iii) Right sub-Calvin,
(iv) Diaphragm,
(v) Hepatic,
(vi) Inter coastal.
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Question 291 Mark
What is the value of systolic B. P. and diastolic B. P. of a normal human adult?
Answer
Systolic B. P. is 100-140.
Diastolic B. P. is 60-80.
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Question 301 Mark
What is blood pressure? How is it measured?
Answer
The blood flowing through the arteries exerts some pressure on its walls. This pressure is known as blood pressure. It is measured by an instrument named as a sphygmomanometer.
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Question 341 Mark
Name the Following
The valve present between the left atrium and the left ventricle.
Answer
Bicuspid valve
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Question 441 Mark
Name the Following
The fine blood vessels in the tissues through which exchange of materials occurs
Answer

Capillaries

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Question 451 Mark
Name the Following
The study of blood vascular system including arteries, veins and heart.
Answer
Angiology
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Question 471 Mark

Give Technical Term for the following:
The respiratory pigment contained in human blood.

Answer
Haemoglobin
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Question 481 Mark

Give Technical Term for the following:
The phase of cardiac cycle in which the auricles contract

Answer
Atrial systole
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Question 501 Mark

Give Technical Term for the following:
Name the vein in the human body which carries oxygenated blood.

Answer
Pulmonary vein
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[1 Mark Question Answer] - Biology STD 10 Questions - Vidyadip