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Alejandra Valdez C

Study Stack_SCI221

QuestionAnswer
What is the ability of the body to maintain a stable internal environment called? Homeostasis
What are the two major subfields of anatomy and physiology? Anatomy is the study of body structures; physiology is the study of how body parts function.
What are the six levels of structural organization in the human body (from smallest to largest)? Chemical → Cellular → Tissue → Organ → Organ system → Organism.
Which feedback mechanism works to reverse a change and return the system to its set point? Negative feedback.
What cell organelle is known as the “powerhouse of the cell” because it produces ATP? The mitochondrion.
What movement of water across a selectively permeable membrane is called? Osmosis.
Name the three types of muscle tissue found in the human body. Skeletal, smooth, and cardiac muscle
What type of cell is the basic functional unit of the nervous system, responsible for transmitting electrical signals? Neuron
What anatomical term describes someone lying face up? Supine.
What anatomical plane divides the body into anterior (front) and posterior (back) sections? The frontal (or coronal) plane.
What term refers to movement of a body part toward the midline of the body? Adduction
What is the cell membrane primarily composed of and what is one of its main functions? It is primarily composed of a phospholipid bilayer plus proteins, cholesterol, and carbohydrates, and one main function is to regulate what enters and leaves the cell
Created by: user-1990645
 

 



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