Topics: Your Body Quiz
The heart pumps blood to every muscle in your body. The blood carries _____ to the muscles.
A. carbon dioxide
B. oxygen
Select your answer:

Topics:
Cell Theory Vascular Surgery Reproductive System Vocabulary The Human Body Muscle Origin, Insertion, and Function Cardiorespiratory or Vascular Systems Nervous System and Special Senses Bacteria, Viruses, and Fungi Pharmacology Asexual Reproduction Vision and Light Stimuli and Responses in Humans Bones and Muscles Cells Clinical PathologyOther quiz:
Microbiology › ViewAn athlete is running a race. The athlete’s body needs ENERGY to finish the race. Which organelle will supply the athlete’s cells with ENERGY for cellular function?
A. vacuole
B. cell wall
C. nucleus
D. mitochondria
Immunity and Vaccines › View
The response to an infection. Causes the area to redden, swell, and feel warm.
A. Fever
B. Mucus
C. Dilation
D. Inflammation