The Institute of Medicine recommends 13 (3 liters) cups of water (and other beverages) each day for men and 9 (2.2 liters) cups of water (and other beverages) each day for women.
Answer: pathogens
blood borne pathogens consist of HIV, Hepatitis B and C, and many others
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.
Three nutrition guidelines are they have to be based on a 2,000 calorie diet 2. fruits and vegetables.3. and the food pyramid. based.
