To prevent blood flowing back after each heartbeat. They ensure that the blood flows only in one direction (back to the heart).
Answer:
Changes of state are physical changes. They occur when matter absorbs or loses energy. Processes in which matter changes between liquid and solid states are freezing and melting. Processes in which matter changes between liquid and gaseous states are vaporization, evaporation, and condensation.
Answer:
Glucose enters the mitochondria for production of ATP.
Explanation:
Photosynthesis is the process through which solar energy is used to make glucose.
To generate chemical energy for cellular processes, glucose is broken down through cellular respiration in the mitochondria. This generates large amounts of ATP, which acts a source of energy to power reactions in the cell.
Excess glucose is stored as starch in plant cells
Ok, so the Answer is D. Wind because wind can be transformed into mechanical energy in the wind tube and the wind tube makes electricity.
Daughter cells if I'm not mistaken