The correct answer is <span>D. circulatory, respiratory, nervous, endocrine
The other systems mentioned in the first three examples don't maintain oxygen levels at that body strain level.</span>
Plants leaves, roots and stems are in the organ systems level.
—Evidence—
•] Plants contain just two organ systems. The shoot system includes all of the parts above the ground, such as leaves and stems, while the root system includes all of the parts below the ground, such as roots and tubers.
The answer would be C) reproduce or the third option.
Answer:
B
Explanation:
During cellular respiration in most animals and plants, oxygen reacts with carbon containing molecules (sugars) to provide energy to cells of the organism. the flow of energy in organisms.
