The Respiratory and Cardiovascular Systems

The respiratory system brings oxygen into the body, while the cardiovascular system delivers that oxygen to every cell. These two complex body systems work together to support and give life to the body. Explore the science behind the respiratory and cardiovascular systems through an encyclopedic-style text perfect for both browsing and deep research. Extraordinary photos and real-world examples help explain these systems, while body breakthroughs features highlight the scientists and pioneers who made some of the greatest advancements in their fields. Final comprehension questions encourage reflection on what readers have learned.