Question

Topic- Circulatory System
Class - 8
Board - ICSE


Answer the Question given in the above attachment.

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Answer 1

A1. option iii AB+

2. option ii. Pulmonary vein

3. option ii vein

4. option i systole

5. option iv all of these

B1.platelets

2. pericardial

3. the right ventricle of four-chambered heart

4. oxygen rich blood

5. sorry bro don't know

C1. False

3. False

4. False

5. True

Answer 2

Hi Mate ! Here are your Answers :

1] As we know, O+ is the only blood group that can donate to all blood groups (0,AB,A,B). Hence, it is called universal Donour

While, AB is the blood group that can take blood from any blood group (AB,A,B,O) but can only donate to AB .

Hence, your answer is c) AB+

2] As we all know, Arteries carry oxygenated blood from heart to other parts except lungs. The lungs are connected to heart by Pulmonary Artery and Pulmonary Veins.

The Pulmonary artery Carry 'Deoxygenated' Blood from heart to lung.

Hence, option a) Pulmonary artery is correct option.

3] The use of Valve is to ensure that the blood us flowing toward the heart only.

As we know, the veins carry back blood to heart , they need a valve.

Hence, option b) Vien

4] When the blood pressure exceed the normal range , it is said to reach the upper limit.

The upper limit of blood pressure is systolic

hence option a) systolic

5] All of the diseases (Palpitation, Cardiac Arrest and Hypertension) are heart diseases.

Fill in the blanks :

1] Platelets (A solid matter in blood )

2] Pericardial Liqiud (A liquid found in the Cardiac region )

3] The right ventricle of heart and goes to lungs.

or,

It arises from heart and goes to lung

4] aorta (Biggest artery) carries Oxygen blood)

5] A recipient

True/False

1] False

2] False

3] True

4] False

Best of luck for exams !