Even though alexandra could talk with her friends during dance class, she couldn't sing along to the songs. which best describes her heart rate during this activity?
a) low
b) moderate
c) vigorous
d) dangerous

What type of medicine to people take if they are lactose intolerance

Which of these pieces of safety equipment should be worn when operating a chainsaw

Which of the following leukocyte is not correctly matched with its function? -basophils: inflammation -lymphocytes: immune response against viral infections -monocytes: develop into macrophage -neutrophils: produce antibodies