Answer:
The pericardium is the most outer layer of the heart. Main function to protect the heart from external forces/entry.
The wrapping goes on and on to reach the level of packing.
Explanation:
Answer:
Biological macromolecules are organic, meaning they contain carbon. In addition, they may contain hydrogen, oxygen, nitrogen, and additional minor elements.
Explanation:
A in Bio last year.
Answer:
Both plant and animal cells have a nucleus and chloroplast where protein synthesis takes place.
