Repetitive motion can cause injury . true
Organelles-cells-tissues-organs-organ system-organism
Answer:
skin appendages and physio-chemical properties
Explanation:
skin appendages can redirect and or stop the absorption of the drug as well as the physio-chemical properties of the drug itself that make it harder for the skin to absorb
bacteria have the DNA as well as the tools (such as ribosomes and proteins) in order to reproduce themselves. While viruses only contain limited DNA and no not have the necessary tools.
bacteria reproduces asexually. a virus reproduces by invading a host cell casing the cell to make copies of the DNA(RNA). destroying the host cell and releasing the virus.