A scientist is studying specialized cells that help pump blood. Which cells is she most likely studying? neurons, which are a type of muscle cell
cardiac cells, which are a type of muscle cell
epithelial cells, which are a type of blood cell
white blood cells, which are a type of blood cell

Cell specialization, also known as cell differentiation, is the process by which generic cells change into specific cells meant to do certain tasks within the body. Cell specialization is most important in the development of embryos.

Explanation:

Neurons. Neurons are specialized cells that carry messages within the human brain

Muscle Cells. Muscle cells make movement possible

Sperm Cells. Specialized sperm cells are necessary for human reproduction

Red Blood Cells

Leukocyte. and those are some

the "dirty dozen" chemicals banned in an international treaty are formally known as persistent organic pollutants, or pops. the united nations environment program provided this background on what they are and what they can do to humans and wildlife.

i hope this