Coronary arteries supply blood to the heart muscle. Like all other tissues in the body, the heart muscle needs oxygen-rich blood to function. Also, oxygen-depleted blood must be carried away.
Answer:
The alveolar walls and capillary walls share a membrane. That's how close they're getting. This allows oxygen and carbon dioxide to readily pass from the respiratory system to the circulation. Oxygen molecules bind to red blood cells as they return to the heart.
TRNA: UCA AUG UUC AGC AAA AAG GUA UAG UUU
DNA??: TCA ATG TTC AGC AAA AAG GTA TAG TTT
Answer:
simplifies the study of names of organisms in common language worldwide to all scientists
