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physio

QuestionAnswer
What is homeostasis? The process by which the body maintains a stable internal environment despite external changes.
one example of homeostasis in the human body. Regulation of body temperature
Why is homeostasis important for survival? It keeps conditions within optimal ranges for cell function and overall health.
What are the four major classes of biomolecules? Carbohydrates, lipids, proteins, and nucleic acids.
What biomolecule is the main source of energy for cells? Carbohydrates.
What is the function of proteins in the body? To build and repair tissues, act as enzymes, and support immune function.
What is the function of the mitochondria? To produce ATP, the energy currency of the cell.
What is the fluid mosaic model? A description of the cell membrane structure with proteins floating in or on the lipid bilayer.
Define diffusion. The movement of molecules from an area of higher concentration to lower concentration.
What are the four basic types of tissues? Epithelial, connective, muscle, and nervous tissues.
What is the main function of epithelial tissue? To cover body surfaces and line cavities.
What is the largest organ of the human body? The skin.
What are the two main types of bone tissue? Compact bone and spongy bone.
What cell type is responsible for building new bone? Osteoblasts.
What is the axial skeleton? The part of the skeleton that includes the skull, vertebral column, and rib cage.
What is an articulation? A joint where two or more bones meet.
Name the three types of muscle tissue. Skeletal, cardiac, and smooth muscle.
What role do actin and myosin play in muscle contraction? They slide past each other to shorten muscle fibers, producing contraction.
Created by: aprilr
 

 



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