Answer:
20% of the body's oxygen supply.
Explanation:
The brain represents just 2% of a person's body weight, yet it uses about 20% of the body's oxygen supply. Without it, the brain can't perform even the most basic functions. The brain relies on glucose to power the neurons that control everything from conscious functions like planning and thought to automatic, unconscious processes like managing heart rate and digestion.
Cardiovascular fitness exercises strengthen the heart and lungs.
Cardiovascular exercises basically consist of activities that will get your heart rate up. Doing so, it will strengthen your heart along with your lungs due to the increase of your heart rate.
Answer:
i thinks its 20 - 30 because 50-60 would judt be entirely to much.
Explanation:
<span>The categories of student disabilities are known as Low-incidence and High-Incidence. ... examples of LI disabilities include sensory impairments such as blind/ low vision and ... attention deficit hyperactivity disorder (ADHD), speech and language issues, emotional/behavioral disturbances, mildintellectual disability, and ...</span><span>
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