The correct order from smallest to most complex of organizat
Solution
Answers
1. Chemical - Cellular - Tissue - Organ - Organ system
Chemical level is the smallest level in human body; this level includes the smallest building blocks of matter atoms, which are the precursors for the molecules and molecules join to form cell organelles.
In Cellular level, cells have various sizes and shapes and each type of cell has their unique function.
In Tissue level, a group of similar cells has a common function and each tissue has specific role in the human body.
In Organ level at least two different types of tissue combined and perform a specific function within the body.
In Organ system level one or more organs work together to achieve a common purpose.
2. Brach references.....
Answer: The arm
The marine invertebrates of the phylum brachiopoda having the two tentacles bearing arms for the food capturing.

