Rickets Disease - a soft weakening in the bones of children, usually due to inadequate vitamin d. Hopefully this helps! :)
Negative symptoms take place when there is a lack of a particular response in the system. With regards to our immune system, it is very essential that our body needs to respond against the pathogens attacking our cell. The response would result to the production of antibodies that would help eliminate these threats.
Answer:
your answer would be sinus node (also called the sinoatrial node, or SA node).
Explanation:
Measure your heart rate before, during and after work outs and write it down. Monitors can be worn as a strap across the chest, on the wrist and even on the head, and by measuring your heart rate can help you exercise at the right intensity. Most don't have a display, so you'll need to connect your monitor with a sports watch or smartphone app to see your heart rate.
