Start learning →

ICSE Class 8 Body Fluids and Circulation — practice questions

Explore 41 free Body Fluids and Circulation questions in ICSE Class 8 Biology. Open each question or exercise to read its content, reference answers and available explanation.

Practise Body Fluids and Circulation with Quill →

Body Fluids and Circulation questions and exercises with answers

Showing questions 1–30 of 41.

Identify the normal position of the human heart.Read the answer and worked solution →Which membranous bag encloses the human heart?Read the answer and worked solution →Which arrangement describes the chambers of a normal human heart?Read the answer and worked solution →What does the right-left cardiac septum do?Read the answer and worked solution →What is the principal function of heart valves?Read the answer and worked solution →Which valve lies between the right atrium and right ventricle?Read the answer and worked solution →Which valve guards the left atrium-to-left ventricle opening?Read the answer and worked solution →Semilunar valves block arterial backflow into which chambers?Read the answer and worked solution →Which structure normally initiates the heartbeat as its natural pacemaker?Read the answer and worked solution →In which heart chamber is the sinoatrial node located?Read the answer and worked solution →Name heart-muscle contraction and relaxation.Read the answer and worked solution →Which event produces the first heart sound, called lub?Read the answer and worked solution →What defines a blood vessel as an artery?Read the answer and worked solution →Where does most exchange between blood and body tissues occur?Read the answer and worked solution →Why are capillary walls thin?Read the answer and worked solution →Why do arteries have relatively thick, elastic muscular walls?Read the answer and worked solution →Which vessel receives blood directly from the left ventricle?Read the answer and worked solution →Which major vein returns blood from the head and upper body to the heart?Read the answer and worked solution →Into which chamber do the venae cavae discharge blood?Read the answer and worked solution →The pulmonary trunk carries blood from the right ventricle towards which organs?Read the answer and worked solution →Which vessels bring oxygenated blood from the lungs into the left atrium?Read the answer and worked solution →What do the coronary arteries chiefly supply with blood?Read the answer and worked solution →What is the role of the coronary veins?Read the answer and worked solution →Why is normal human circulation called double circulation?Read the answer and worked solution →What is the heart-to-lungs-to-heart circuit called?Read the answer and worked solution →Which route is the systemic circulation?Read the answer and worked solution →Which component chiefly carries oxygen from lungs to body tissues?Read the answer and worked solution →In which liquid part of blood are glucose and amino acids transported?Read the answer and worked solution →Where does collected lymph normally return to the blood?Read the answer and worked solution →Which cells present in lymph contribute to immune responses?Read the answer and worked solution →

Worked practice questions

Identify the normal position of the human heart.

  1. Between the kidneys in the abdomen
  2. Above the windpipe in the neck
  3. Behind the stomach in the abdomen
  4. Between the lungs in the chest
Show answer and solution

Correct answer: D. Between the lungs in the chest

The heart lies in the chest between the lungs, slightly tilted to the left.

Open this question →

Which membranous bag encloses the human heart?

  1. The pericardium
  2. The diaphragm
  3. The pleura
  4. The peritoneum
Show answer and solution

Correct answer: A. The pericardium

The pericardium is the membranous covering surrounding the heart.

Open this question →

Which arrangement describes the chambers of a normal human heart?

  1. One atrium and one ventricle
  2. One atrium and two ventricles
  3. Two atria and one ventricle
  4. Two atria and two ventricles
Show answer and solution

Correct answer: D. Two atria and two ventricles

The human heart has four chambers: two atria and two ventricles.

Open this question →

How to practise

  1. Choose a Body Fluids and Circulation question and try to work out your answer.
  2. Open the question to check the correct answer and read its worked solution.
  3. Continue in the app for bite-sized lessons, explanations and review with Quill. You can start without creating an account.

Put it into practice

Continue with Body Fluids and Circulation practice for ICSE Class 8. Read explanations as you go. No signup form needed to start.

Practise Body Fluids and Circulation →

More Biology topics

Reproduction in PlantsEndocrine System and AdolescenceDiseases and First AidTransport in PlantsNeural Control and CoordinationModern AgricultureEcosystemHuman Reproduction