Answer:
Correct options are (a), (b) and (c).
Explanation:
Water is the important component of the body. Human body consists of more than 60% of water. Most solutes and physiological mechanism depend on the water present inside the body.
The dehydration or loss of water can cause deadly disease in humans. It is important to maintain the hydration level of the body. The hydration status can be checked by the urine color as the light color indicates the enough amount of water in the body. Weight of the body before and after exercise also expresses the hydration status. The reduced saliva indicates the dehydration condition of the body.
Thus, correct options are (a), (b) and (c).
Approximately 50 Percent of the people in the United States who die, do so because of what they do
0% is ur answer lol okay you
Answer: Refractory period of the cardiac action potential
Explanation:
Unlike the skeletal muscle which can be reactivated before it reaches a contraction, cardiac muscle must wait before it is almost completely relaxed to be activated again (because of its long refractory period), so one cannot make an increase in strength of contraction with a high frequency of stimulations.