1. Leaving Certificate Biology Circulatory System 1 iQuiz SECOND Press the F5 Key to Begin, Then click on this Blue Box FIRST In PowerPoint 2007 if you see a Security Warning click HERE on Options… and then click on  Enable this content

2. Which of the following is not carried in the blood? Fatty acidsUrine GlucoseHormones

3. Which of the following structures contains valves? ArteriolesVeins ArteriesCapillaries

4. The component of blood that carries oxygen is … PlasmaPlatelets White blood cellsRed corpuscles

5. Oxygen, nutrients and wastes enter and leave the blood through thin- walled structures called … CapillariesVenules LymphaticsArterioles

6. Which chamber of the heart receives blood from the lungs? Right ventricleLeft ventricle Right auricleLeft auricle

7. An open circulatory system is possessed by … BirdInsect EarthwormAmoeba

8. Which of the following fluids are associated with the lacteal? LymphPlasma Aqueous humourSynovial fluid

9. Which of the following does not carry deoxygenated blood? Renal veinPulmonary vein Hepatic portal veinHepatic vein

10. Where are the red blood cells/corpuscles made? HeartMuscles Bone marrowLiver

11. Which of the following blood vessels bring blood to the heart tissue? Carotid arteryHepatic portal vein Coronary arteryPulmonary artery

12. In portal circulation blood flows through … KidneyLiver HeartLungs

13. All the cells of the body are bathed in a tissue fluid called … SerumLymph PlasmaBlood

14. Plasma contains all the following except … FibrinogenAntibodies StarchHormones

15. Name the fluid which is the main constituent of protoplasm and accounts for about 50% of body weight. PlasmaDigestive juices Intercellular fluidIntracellular fluid

16. The contraction of heart muscle is known as … DiastoleSystole PeristalsisNeurotransmission

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