Why are some single-celled eukaryotes only found as haploid cells for the majority of their lifespan, whereas others are only found as diploid cells for the majority of their lifespan

Which blood cell spend most of their time in the lymphatic system?

Which statement about the pancreas is not true? a. it is an endocrine organ in the abdomen. b. it release chemicals into the digestive system. c. it releases insulin to increase glucose levels. d. it release hormones into the bloodstream.

When a human or animal consumes food, the carbon in that food is most likely to be converted into which of the following elements? a. carbon remains carbon b. nitrogen c. oxygen d. hydrogen