the picture is an unlabelled inside diagram of the lungs. It shows how your oesophagus keeps your airways clear of mucus, dirt or anything else that might threaten to block it using cilia which have a hairline structure.
To remove water and salt from blood
YES it is an organ system?
Skin is an organ, not an organ system. It is part of the integumentary system.
Organ System
organelle --> cell --> tissue --> organ --> organ system the endocrine system is an organ system made of various organs
Yes, the nervous system is considered one of the organ systems in animals.
No. The collection of organs is organ system.
what makes an organ system
Each organ does a certain part in the organ system. An organ system is a group of organs doing the same job.
organ system
The digestive system.
An organ system is greater than the sum of its parts (organs). So an organ, by itself, can do nothing without the Organ System to which it belongs.