The Primary Function of the Cardiovascular System Is ________

Q69: Iron,calcium,and carbon are _.<br>A)elements<br>B)compounds<br>C)bases<br>D)solvents

Q70: _ is a mineral nutrient.<br>A)Carbon<br>B)Hydrogen<br>C)Iron<br>D)Nitrogen

Q71: The atoms of a compound,such as sugar,are

Q72: Chyme is the _.<br>A)organelle that maintains fluid

Q73: Coretta has severe chronic gastroesophageal reflux disease

Q75: The process of digesting food begins in

Q76: The _ is the second segment of

Q77: Which of the following statements is true?<br>A)Diets

Q78: A substance has a pH that is

Q79: _ is the sum of all chemical