Answer:
The right ventricle pumps the oxygen-poor blood to the lungs through the pulmonary valve. The left atrium receives oxygen-rich blood from the lungs and pumps it to the left ventricle through the mitral valve. The left ventricle pumps the oxygen-rich blood through the aortic valve out to the rest of the body.
<span>to verify the data to make the results of the investigation stronger and more reliable</span>
Kinetic energy is absorbed and converted to potential energy in an endothermic reaction.
Answer:
Emulsifiers
Explanation:
Emulsifiers are substances that enhance the mixture of two immiscible substances. For example vegetable oil cannot mix with water without using an emulsifier