Answer:The Central Nervous System sends signals to the rest of the body and activates external and internal stimuli.
Explanation:The CNS is made up of the brain and spinal chord which send signals to the body. In addition, it controls simple musculoskeletal reflexes.
Answer: The classes are metals, nonmetals, and metalloids
Explanation:
Answer:
Photosynthesis.
Explanation:
Photosynthesis is the process by which photosynthetic organisms such as plants and algae turn inorganic carbon compounds (usually carbon dioxide) into organic carbon compounds (usually carbohydrate sugars such as glucose). It causes carbon to move from one reservoir to another; examples are photosynthesis, respiration and combustion.
Answer:
1st is lunar, second is solar
Explanation:
Answer:
respiratory system
Explanation:
The function of the respiratory system is to move two gases: oxygen and carbon dioxide.