cardiovascular
Platyhelminthes breathe using their entire body. Being flat, oxygen diffuses quickly across the skin and to all parts of the body, so they don't need a blood circulatory or respiratory system.
respiratory system
They breathe in, then they breathe out, which supplies there body with oxygen and eliminates CO2.
Respitory system
The lungs are part of the respiratory system or pulmonary system.
the respiratory system in the human body helps humans breathe. that includes lungs, trachea, and more.
The Respiratory System consists of your lungs and your air canals.
The respiratory system is the group of organs within your body that enables you to breathe. The circulation system circulates blood throughout your body,
The role in the circulatory system is to pump blood throughout our body in order to breathe and to move.
Alligators breathe using lungs, similar to mammals. They have a unique respiratory system that allows them to hold their breath for extended periods while underwater, but they need to surface to take in air. Their nostrils are positioned on top of their snouts, enabling them to breathe while keeping most of their body submerged.
The respiratory system works with the immune system by releasing oxygen, which helps you breathe and is like a filter to your body.
carbondioxide leaves your body when you breathe out. the respiratory system helps move these substances into and out of your body.