Answer: Four pulmonary veins.
Explanation: Oxygen and nutrient rich blood will flow from the lungs back into this part called the left atrium (Or as some will call it, the left upper chamber in the heart). From there, it goes through four pulmonary veins.
Hope I could help! :)
Answer:
i'm gonna need more details to answer
Explanation:
ADENOSINE TRIPHOSPATE [ATP] is a high energy molecule that is made from a NUCLEOTIDE with THREE [3] phosphates.
ATP is the energy currency of the cell, that is, it is the major biochemical molecule that is usually hydrolyzed in the cells to obtain energy.<span />