Answer:
The Circulatory System
Explanation:
When blood is rich in carbon dioxide it leaves the heart through the pulmonic valve, into the pulmonary artery and to the lungs. (All of which have to do with the circulatory system)
The storage + the transmission of genetic info are NOT done by proteins but by your DNA.
A would be your answer.
Answer:
Earth was barren, flat and almost entirely under water 4.4 billion years ago
Explanation:
Answer:
from 60 to 100 beats per minute
Energy in a system is doing work such as kinetic and potential energy, that helps things move. Also more such as chemical, heat, thermal, etc.
