The main function of this macromolecule is to: jobs in your cells such as building and breaking down molecules. -Carbohydrates
-Lipids
-Nucleic acids
-Proteins

Many organs are involved in the processes of keeping the blood and the body clean. when poisonous or harmful substances are in the blood, they are absorbed by the and released in a less harmful form. when wastes are present in the blood, they are filtered out and removed from the body by the

What are the characteristics of living things

Types of scientific inquiry that biologist engage in that cannot be completely controlled