Select your answer:
Topics:
Mnt For Pulmonary Disease and Adverse Reactions to Food Muscle Histology Hazards & Risks Pathogens Gaseous Exchange in Humans Integumentary System: Skin Disorder Population Ecology Bacteria & Disease Molecular Genetics Integrated Science The Cardiovascular System: Blood Vessels and Hemodynamics Proteins, Amino Acids, & Enzymes Fats And Oil Clinical Pathology The Cell Reproduction in Human BeingsOther quiz:
Bacteria & Viruses › ViewWhat does a virus have on the inside?
A. DNA, but never RNA
B. RNA but never DNA
C. DNA or RNA
D. neither DNA or RNA
Living Organisms › View
The respiratory system in the human body is shown in the diagram below. What is the main relationship between the trachea, bronchioles, and alveoli?
A. They work together to transport nutrients.
B. They work together to regulate body temperature.
C. They work together to store fluids to prevent dehydration.
D. They work together to maintain the oxygen level in the blood.