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Human Anatomy

QuestionAnswer
What is the smallest structural and functional unit of life? The cell
What are the four primary tissue types in the human body? Epithelial, connective, muscle, and nervous tissue
Which organelle is the “powerhouse” of the cell, producing ATP? Mitochondria
What is homeostasis? The body’s ability to maintain a stable internal environment despite external changes
What are the three planes of the body used for anatomical reference? Sagittal, frontal, and transverse planes
What structure connects muscle to bone? Tendons
What are the main functions of the skeletal system? Support, protection, movement, storage of minerals, and blood cell formation
What is the difference between axial and appendicular skeletons? Axial includes skull, vertebral column, and thoracic cage; appendicular includes limbs and girdles
What is the role of the sacroplasmic reticulum in muscle contraction? It stores and releases calcium ions needed for contraction
What is the function of neurons? To transmit electrical signals throughout the body
Created by: user-1991269
 

 



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