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.
I think it’s a because most of the time the main idea is in the first paragraph
Answer:
The old man feeds the birds in the park?
Explanation:
Answer:
Jacob Frey, mayor of Minneapolis — the city where it all kicked off, where George Floyd was so brutally killed by the police — Jacob Frey, a young, liberal Democrat, a former civil rights lawyer, turned up to to join a protest against police brutality and show solidarity with his black constituents. But it didn’t go so well for him when he was asked in front of the entire crowd, by the organizers, whether he was willing to go beyond the usual platitudes about police ‘reform.’Explanation:
I believe the answer is D, gases that consume carbon dioxide.
