Select your answer:
Topics:
Macromolecules & Enzymes Fats And Oil Circulatory and Respiratory System Regulation of Heart Rate Nervous / Sensory System Counseling: Fact or Myth? Vocabulary - Health Health Blood & Blood Vessels Enzymes First Aid Basics of Cardiology Specialties: Neurological and Geriatric History of Psychology Doctor EquipmentsOther quiz:
Circulatory & Respiratory › ViewHow is oxygen transported in the blood?
A. Hemoglobin in White Blood Cells
B. Dissolved in Plasma
C. Hemoglobin in Red Blood Cells
D. Bound to Platelets
Cell Theory › View
A plant and an animal are both living things. According to the Cell Theory, what can you conclude about these two very different organisms?
A. Plants have cells but animals do not.
B. They are both made of one or more cells.
C. They both come from the same kind of cell.
D. They both come from a non-living organism.