Answer:
Protein has many roles in your body. It helps repair and build your body's tissues, allows metabolic reactions to take place and coordinates bodily functions. In addition to providing your body with a structural framework, proteins also maintain proper pH and fluid balance.
Explanation:
Electrical impulses known as action potentials initiate t<span>he contraction of the </span>cardiac<span> muscle.</span><span>
The autorhythmicity of cardiac pacemaker cells is made possible by the reduced permeability of potassium.
</span><span> The </span>pacemaker potential<span> is produced by </span>a<span> decrease in membrane permeability to </span>potassium.
Answer:
Tennis
Explanation:
There is one player two teams.