Practice check: Select the scientifically correct answer: which organ pumps blood around the human body?

✅ A. Liver

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✅ B. 2%

✅ D. All of the above

✅ D. Mars

a: Jupiter | b: Mercury | c: Venus | d: Mars Read more

✅ C. Spleen

✅ B. Breakdown of larger plastic items and synthetic fibres

a: Only fresh snow | b: Breakdown of larger plastic items and synthetic fibres | c: Only volcanic ash | d: Only untreated timber Read more

✅ B. Nucleus

a: Isotope cloud | b: Nucleus | c: Electron shell | d: Molecule Read more