Which of the following is listed in order from simplest to most complex? A. mitochondrion, muscle cell, smooth muscle tissue, esophagus, digestive system
B. muscle cell, mitochondrion, smooth muscle tissue, esophagus, digestive system
C. mitochondrion, muscle cell, esophagus, smooth muscle tissue, digestive system
D mitochondrion, smooth muscle tissue, muscle cell, esophagus, digestive system

After reading the paragraph below, answer the questions that follow. researchers have created a robot that has a very thin leg that is moved by cardiac (heart) cells contracting in unison. the robot, made of a polymer similar to that used in making contact lenses, is bathed in heart cells with supporting cells, which then attach to the robot and provide movement as they contract. all of the cardiac cells working together can cause the robot leg to move in a way that individual cells could not. this is an example of a. emergent properties of cells. b. energy flow through an ecosystem. c. adaptation. d. internal environment regulation.

What was dr. willem johan kolff’s first step in using the scientific process to invent the hemodialysis machine? he built the machine and tried it with various patients, collecting data about its effectiveness. when a patient’s kidneys failed, he wondered if it would be possible to perform kidney functions with an external machine. he researched and collected data about numerous patients who exhibited symptoms of kidney failure. he drew conclusions from studies of various symptoms of kidney failure, and drew a design for the ideal external blood-processing machine.

Name the types of burns one can get and which structures of the integument are damaged