hai :) it is in your book dont be lazyass.
by diffusion across a capillary wall
by diffusion across a capillary wall
No, the phylum Platyhelminthes does not have a circulatory system. They rely on simple diffusion to transport nutrients and gases within their bodies.
respiratory system Circulatory system
the circulatory system and the respiratory system are the names
The lungs are part of the respiratory system! they help the circulatory by giving oxygen, but they are just respiratory.
By diffusion across q capillary wall
respiratory system is a cnidarian
Respiratory system works with digestive system ,circulatory system ,excretory system (indirectly through circulatory system...
The respiratory system helps the circulatory system. circulatory system
1. Respiratory system 2. Cardiovascular system
Respiratory system