You. the function of the respiratory system is to breathe break down food transport materials in the body rid the body of waste question 2 what organ is part of the respiratory system of tigers? lungs gills tracheae skin question 3 which organ is able to extract dissolved oxygen from water? lungs gills both gills and lungs neither gills nor lungs

How many cells are our body made of ? ♡

Me 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?

As a result of these processes the single celled organism accomplishes