Answer:
Tissue - cardiac muscle
Organ -heart
Organ system - circulatory system
Organism*addition- human body
Explanation:
<span>It would be replaced in cases where new information and evidence would be discovered that completely contradicts the old information and evidence. Then you couldn't revise it because revision incorporates the old evidence that would now be obsolete. Then you would make a completely new theory.</span>
It helps to introduce plants in new areas where seed germination fails to produce mature plants due to changes in environmental factors and the soil. It is a more rapid, easier, and cheaper method.
The muscles in our body have the ability to assist the blood vessels and moving blood around the body to distribute nutrients to the cells. The heart muscles (cardiac) located in the heart pumps blood, the skeletal muscles contracts to allow blood to flow, and the smooth muscles are dominant throughout our body also contracts to permit the blood flow.
