★ 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:
Cardiovascular Med Terms Excretion in Humans Nutrition - Digestive System Disease, Illness and Sickness Cell Structure and Function Concept Macromolecules and Enzymes Monoclonal Antibodies Pathophysiology - Adaptive Immunity The Respiratory System Eco Factors & Bacteria Branches of Microbiology Infectious Disease Pediatric Musculoskeletal Disorders Oronasal Suctioning Plant BiotechnologyOther quiz:
Virus › ViewWhat does a virus require in order to reproduce?
A. Energy in the form of ATP.
B. Another virus with which to exchange genetic material.
C. A host cell.
D. A source of nutrients.
Vocabulary for Organisms in Ecosystems › View
These are organisms that break down, or decompose, wastes and the remains of dead organisms.
A. scavenger
B. decomposers
C. prey
D. producers