Ineed a science scenario that has a control group, a experimental group, and has a testable question

What is a cordon and where is it found

Define the apical impulse and describe its normal location, size, and duration. which abnormal conditions may affect the location of the apical impulse? explain the mechanism producing normal first and second heart sounds. describe the effect of respiration on the heart sounds. describe the characteristics of the first heart sound and its intensity at the apex of the heart and at the base. describe the characteristics of the second heart sound and its intensity at the apex of the heart and at the base.

Alaboratory investigation included examine prepared slides of pond water singled celled organisms with a nucleus and either cilia or flagella were visible these organism probably belong to the kingdom