0 What are the building blocks of carbohydrates?
DNA
simple sugars
Clucose
amino acids
glycerol

The skeletal system performs a variety of functions that are crucial to maintaining life processes. what function is performed in the bone marrow, but not in the ossified bones of the skeleton? a oxygen transportation c mineral storage b. muscle attachment d red blood cell production

When does the circulatory system work with the respiratory system? a. during blood cell formation b. during cellular respiration c. during intestinal digestion d. during a viral infection

Explain why the plants cortex would serve as the best food source for animals