Refer to the table of elements below. Which element, essential for building bone tissue in the human body, has an atomic number of 20? Element Atomic Number Hydrogen 1 Carbon 6 Oxygen 8 Calcium 20

Practise this Anatomy & Physiology Exam Prep question free, then download the PDF, watch the video walkthrough, or unlock timed mock exams for the full web bank.

Download PDF Watch video

Multiple choice — select the best answer

AHydrogen
BCarbon
COxygen
DCalcium

✓ Correct answer: D. Calcium The element with an atomic number of 20 is Calcium. Calcium is essential for building and maintaining bone tissue in the human body.

.q-expl{display:block!important}.q-opt[data-idx="3"]{border-color:#16a34a;background:#f0fdf4}.q-opt[data-idx="3"] .oltr{background:#16a34a;color:#fff}.q-opt{cursor:default!important;pointer-events:none}

Keep practising. Use the free Anatomy & Physiology Exam Prep PDF, watch the YouTube walkthrough, or unlock all 10 web questions with timed mock exams.

Free PDF Video walkthrough

Next → 🎲 Random question ↩ Back to all questions

Keep practising

Refer to the table of elements below. Which element, essential for building bone tissue in the human body, has an atomic number of 20? Element Atomic Number Hydrogen 1 Carbon 6 Oxygen 8 Calcium 20

Related questions

Free practice here. Timed mocks when you are ready.