Oxygen content &#x7C; Heart ventricle - left &#x7C; Chemistry - non-challenge
oxygen content &#x7c; heart ventricle - left &#x7c; chemistry - non-challenge
Oxygen content &#x7C; Heart ventricle - left &#x7C; Chemistry - non-challenge
oxygen content &#x7c; heart ventricle - left &#x7c; chemistry - non-challenge