Answer:
The digestive system will not function properly which will cause a build-up of solid wastes in the intestines creating a blockage in the excretory system.
Explanation:
Your best answer would be either a or c depending on the feedback but in this case your answer would be C
The veins I think maybe I’m wrong but I’m sure it the veins in your hands
Pedometers monitor the number of steps taken in a day
The use of a pedometer has been shown to increase physical activity among sedentary populations