Beta-carotene helps prevent the spread of bacteria that cause infection
a. True
b. False
Indicate whether the statement is true or false
False
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Muscle ?ber recruitment is an involuntary action directed by the nervous system
Indicate whether the statement is true or false
Which of the following does NOT explain why people who engage in vigorous physical activity have an increased ability to burn fat?
What will be an ideal response?
What happens to the temperature of a substance as it is changing phase from a liquid to a solid?
A. its temperature increases due to the absorption of latent heat B. its temperature decreases due to the heat of vaporization C. its temperature decreases due to the latent heat of fusion D. its temperature remains the same due to the latent heat of fusion
Children should participate in strengthening activities at least three days a week
Indicate whether the statement is true or false