Select the correct answer. What is cardiorespiratory endurance?
A.
the ability of your heart and lungs to work during prolonged exercise
B.
the ability of your heart to pump blood to your cells
C.
the ability of your heart and lungs to fend off asthma
D.
the ability of your heart to send de oxygenated blood to the lungs
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The official definition for cardiorespiratory endurance is "Cardiorespiratory fitness refers to the ability of the circulatory and respiratory systems to supply oxygen to skeletal muscles during sustained physical activity."

Based on that, the answer is A.

*Just for citation purposes, the definition is from Wikipedia.

his week a heat wave will be hitting, and most of the country will be experiencing temperatures above average for july. due to humidity, the temperature outside can feel even warmer than it actually is. this adjusted temperature, often referred to as the “feels like” temperature is called the heat index. the chart shows the heat index, which is calculated based on temperature and relative humidity. use this chart to answer the following questions.