Which of the following describes how two human body systems work together to maintain homeostasis? The nervous system transports oxygen to the respiratory system causing the breathing rate to change.

The circulatory system moves nutrients throughout the body to be broken down in the digestive system.

The circulatory system brings oxygen into the body and the excretory system gets rid of the carbon dioxide.

The nervous system sends signals through the nerves causing the muscles in the musculoskeletal system to contract.

Agenetically engineered corn plant is approved for agricultural use. the plant produces pollen that can make its own toxins. these toxins protect the corn plant against pests and no longer require the application of chemical pesticide. what is a likely impact on the farmer of growing such a variety of corn? a- the financial costs for the farmer would be lowered since less crops would be lost to pests. b-the financial costs for the farmer would be lowered since more crops would be lost to pests. c-the farmer may be held responsible for increasing chemical pollution. d-the farmer's expenses for pest control would increase due to an increase in bee population.