Lactic acid buildup when you’re exercising causes a build up of oxygen. Your body cannot break down glucose in the blood. So, your heart beat increases because there is more oxygen than normal needing to be pumped throughout the body.
In short terms: because your heart needs to pump more oxygen, it is pumping faster causing a faster heart rate.
Answer:
C - A person with 2 copies of 't' inherited one from their mother and one from their father.
They have to describe the characteristics of life hope this helps.
Mars..........................
A. Unsustainable. A Fad diet <span>is a </span>diet<span> that promises quick weight loss through what is usually an unhealthy and unbalanced </span>diet<span>. </span>Fad diets<span> are targeted at people who want to lose weight quickly with little exercise.</span>
