Answer:
1) A cardiovascular system is an organ system that conveys blood through vessels to and from all parts of the body, carrying nutrients and oxygen to tissues and removing carbon dioxide and other wastes.
2) "Capillaries connect the arteries to veins. The arteries deliver the oxygen-rich blood to the capillaries, where the actual exchange of oxygen and carbon dioxide occurs. The capillaries then deliver the waste-rich blood to the veins for transport back to the lungs and heart. Veins carry the blood back to the heart."
3) A heart attack is a blockage of blood flow to the heart muscle.
Answer:
David Robinson is a great example of someone who accepts responsibility for their actions. David Robinson grasped the value of accepting responsibility for his own actions from a young age. Later, he postponed his NBA debut for two years to serve in the Navy. Throughout his NBA career, David Robinson was so involved in the community that the league's community service award is named after him. David Robinson is a moral and responsible individual. After noticing a need for high-quality inner-city education in his community, he launched the Carver Academy. Despite the fact that he was not personally responsible for the children's well-being, David Robinson decided to take the next step and help the youngsters in his neighborhood.
Explanation:
The Letter b might be right
