HELP PLEASE
“How do the cardiovascular and digestive systems work together?”
Which organs are vital in the cooperation between the two systems? HOW do they work together?
Think about the organelle that primarily uses Oxygen. What does it use oxygen for? How is this related to the digestive system? HINT: Look up cellular respiration. Where do the reactants for cellular respiration come from (the left side of the cellular respiration equation)?

Hurry where is the majority of earth's water found? o glaciers o oceans ground o rivers and lakes

Which of these transport mechanisms moves glucose from the blood into a cell? active transport diffusion facilitated diffusion osmosis

80 points pls brainliest 1. what does a red shift mean? blue shift? 2. describe the big bang theory. according to this theory, how old is the universe? 3. scientists believe the universe is expanding. what is the evidence that supports this? 4. describe a nebula. 5. describe the 3 types of galaxies. what is a barred spiral galaxy? 6. what is a light year? how far is alpha centauri from earth? 7. describe the universal law of gravitation. be sure to include gravitational force between two objects. 8. describe the planets’ orbits around the sun. 9. what is the asteroid belt? where is it located? 10. describe rotation and revolution of earth. what determines an earth day and year? 11. how do galaxies exist? 12. compare and contrast the inner and outer planets. 13. what causes the seasons?