What is the difference between external and internal respiration?
A. External respiration is the process of digestion; internal respiration is the exchange of nutrients.
B. External respiration occurs in the lungs; internal respiration occurs in body tissues.
C. External respiration happens during exercise; internal respiration occurs at rest.
D. External respiration occurs in the heart; internal respiration occurs in the lungs.
Select your answer:
Topics:
Dermatology Pharmacology Vitamins The Vascular System and Blood Flow Pediatrics Vocabulary for Organisms in Ecosystems Central and Peripheral Nervous System Consciousness and Sleep Digestion and Microbes Bones and Muscles Musculoskeletal - Clinical Virus, Bacteria, Immunity Pathology Introduction Cell Injury Cardiovascular System Terminology Pain Pathophysiology Respiration, Immune System, Blood CellsOther quiz:
Respiratory System › ViewWhat structure connects the larynx to the bronchi?
A. Pleura
B. Oropharynx
C. Trachea
D. Bronchioles
Nervous System › View
Which is NOT a step in a reflex action?
A. Sensory neurons in your hand send impulses to your spinal cord.
B. Neurons control voluntary actions to regulate actions that happen automatically.
C. Neurons in your spinal cord process the information.
D. Muscles contract
E. Messages travel to your brain