From lowest to highest hierarchy it would be: planet, star, solar system, galaxy.
Vein because they have valves to prevent back flow of blood.
Which cells in the seminiferous tubules regularly undergo mitosis?
Spermatogonia
As you increase exercise and muscle activity, your heart rates increases. That is one feedback mechanism. Your heart delivers oxygen and nutrients to your muscle and other parts of the body quicker.
Answer:
The types of waves that emanate from and earthquake are the body waves (P-waves and S-waves), and the surface waves. The surface waves travel along the suface, and are are the slowest, even though they do the most damage in an earthquake. While the P-waves travel the fastest through solids, liquids, and gases. S-waves, however only travel through solids.
Explanation:
Hope that helped hun <3
