They have two pairs of main nerve cords organized around a number of paired ganglia. while they don't have a "true brain"-- they have somewhat of a nervous system, composed of the two, or three pairs of nerve cords contained in the visceral mass.
Yes and they also can choose to die
Chlorophyll<span> molecules are contained </span>inside chloroplasts<span>, which are the food producers of the cell found in all green parts of a plant. ... This process, called photosynthesis, is how plants convert sunlight into usable chemical energy.
this would be your answer have an awesome day :)</span>
Answer:
Circulatory and excretory
Explanation:
Excretory removes waste products and toxins from the blood using the kidneys. The kidneys filter the blood and return the essential products (water, salt, sugar, etc) back to the bloodstream in normal amounts after removing the wastes. The circulatory system provides the kidneys with oxygen, allowing the organ to live and to do its job.