Shoulder is called Deltoid
upper back is called cutaneous pectoris
A valence electron is a negatively charged particle, located in the outermost shell of an atom, that can be transferred to or shared with another atom.
Option A.
1. Plants have chlorophyll, a green pigment necessary for photosynthesis
2. Their cell walls are made sturdy by a material called cellulose
3. They are fixed in one place (they don’t move)
Answer: Option D) All living things are made up of cells
Explanation:
The cell theory states that:
- the cell is the structural and functional unit of life
- all living organisms are made of cells
- all cells come from previously existing cells
- there is no life apart from the life of cells
- all living things are either single cells (unicellular) or group of cells (multicellular)
