A tree....the air instead of soil...the roots are the nose, mouth and throat and glottis...the trunk and branches are the bronchi and bronchioles.....the alveoli are the leaves,,,the bloodstream is the air exchanging oxygen and carbon dioxide.
No
donor : organ
YES it is an organ system?
I would call it an organelle if you are talking about cells.
cells(are like individual alphabets) which come together to form tissues(words). tissues forms organs(sentences). And organs form organ-system(paragraphs). Organ-systems come together to form an organism(text/essay). Note: This is an analogy just to explain the hierchy of the units of life.
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.