An organ contains many cell groups, or tissues, working together as a whole. They perform a variety of functions through out the body.
an organism because an organism can contain multiple organ systems
the heart contains the septum
the nose belongs to the respiratory system.
There is a kidney and the liver is on the right side.
I don't know what an "organ" macromolecule is but enzymes tend to be proteins... however some enzymes are made from RNA and some are a mix of proteins and RNA- a good example of this is RNA polymerase. Enzymes can contain co-factors such iron (Fe) or copper (Cu).
Liver
Sensory organ system
yes
Liver
The skin is part of the Integumentary System, and is the largest organ in the body.
Two or more organs are in an organ system. In addition to organs, an organ system can contain other structures that serve the organ(s) and organ system.
Circulatory System.
The circulatory system
the bronchioles
Nervous System
The skeletal system.
Because an organism is a being which contains organs and an organ system is a system of organs.