Answer:
Toxin
Explanation:
Toxin usually refers to a substance that is highly poisonous and is directly generated by the organism such as plants and animals within their living cells. These substances can occur in the form of small molecules, or proteins that have the capacity to cause a certain types of diseases when it comes in physical contact with the body tissue or due to the absorption of these substances by the tissues while having the interaction with its biologically larger molecules.
Thus, toxins are considered as a class of poisonous chemicals that are responsible for the damaging of cells and also affect the growth of cells.
A heart murmur is caused by a defect in the heart valve, C. A heart murmur is a sound that can be heard through a stethoscope. It is not a structural problem with the heart but a physical finding. These murmurs occurs when there is turbulent blood flow in the heart. Most common cause of heart murmurs are due to the abnormal functioning of the valve of the heart. these valves may have stenosis or regurgitation.
Answer:Slate is denser than shale because its atoms and molecules become more compact due to the presence of intense pressure. Due to this event, the minerals are squeezed and realigned in such a way that the axes are directed to where the pressure was applied.
Explanation: