The lungs are the primary organs of the respiratory system in humans and other animals including most tetrapods, a few fish, and some snails. In mammals and most other vertebrates, two lungs are located near the backbone on either side of the heart.

Lungs

by syasya.affandi

Lungs

by syasya.affandi

The lungs are the primary organs of the respiratory system in humans and other animals including most tetrapods, a few fish, and some snails. In mammals and most other vertebrates, two lungs are located near the backbone on either side of the heart.

similar

physics