The Wellbeing Childrens Quiz Know them by heart
3 / 5 |
The blood vessels that carry blood away from the heart are called ……………….
- Veins
- Arteries
- Septum
(The arteries carry oxygen and nutrients to various tissues of the body, while veins take oxygen-poor blood back to the heart.)
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4 / 5 |
Blood carries …………………………. to the lungs for exhalation.
- Carbon-dioxide
- Carbon-monoxide
- Oxygen
5 / 5 |
The ‘lub-dub’ sound of the heart is produced by ..........
- The closing of the valves
- The opening of the valves
- Ventricular contraction
(The first sound ‘lub’ occurs when the atrioventricular valves close and the second sound dub is heard when the semilunar valves close.)
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