Answer:
B. Carbon dioxide is carried through the blood vessels back to the lungs.
Explanation:
Answer: Building occupants complain of symptoms such as sensory irritation of the eyes, nose, or throat; neurotoxic or general health problems; skin irritation; nonspecific hypersensitivity reactions; infectious diseases; and odor and taste sensations. Exposure to poor lighting conditions has led to general malaise
Explanation: building health issues
Negative feedback loops are important because it helps organisms maintain homeostasis.
