1) The heart is mostly made of .... a) muscle b) fat c) bone 2) The function of the heart is to... a) Pump blood to and from organs in the body b) Protect the brain c) Absorb nutrients 3) The heart is made up of how many chambers? a) 1 b) 2 c) 3 d) 4 4) Does blood move down through the atria then ventricles, or ventricles then atria? a) Atria into ventricles b) Ventricles into atria 5) Which side of the heart is made of thicker muscle? a) Left side b) Right side 6) Why does blood need to be pumped to the lungs? a) To pick up oxygen b) To pick up carbon dioxide c) To pick up nutrients 7) Which blood vessels transport high pressure blood from the heart? a) arteries b) veins 8) Which blood vessels transport low pressure blood back into the heart? a) arteries b) veins 9) Which of the following is a sensible number for heart rate in a resting human? a) 10 beats per minute b) 60 beats per minute c) 180 beats per minute

Y9 Heart basics CfL

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