1st -When cells are small, the movement of food and waste can be efficiently handled by the cell membrane
Nucleus, ribosomes, endoplasmic reticulum, and <span>Golgi apparatus.</span>
Parasympathetic nerves govern involuntary actions such as pupil dilation, peristalsis, gland secretions, etc.
Answer:
Through photosynthesis, certain organisms convert solar energy (sunlight) into chemical energy, which is then used to build carbohydrate molecules. The energy used to hold these molecules together is released when an organism breaks down food. Cells then use this energy to perform work, such as cellular respiration.
Explanation:
