Answer:
All plants remain rigid because of cell walls.
Explanation:
Answer: (c) skeleton
Explanation: The musculoskeletal system is made up of the body's bones (the skeleton), muscles, cartilage, tendons, ligaments, joints, and other connective tissue that supports and binds tissues and organs together.
The answer is C. Chromsomes make up part of the DNA and carry the information needed to code for the DNA's proteins.
Catalyst speeds up the reaction rate of a chemical reaction