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Jessica Rivera Donis

Anatomy weeks 1-5

QuestionAnswer
What are the six levels of organization in the human body? Chemical, cellular, tissue, organ, system, and organism levels.
What is homeostasis? The body's way of keeping internal conditions stable-kind of like a thermostat for your insides.
What are the four main organic molecules essential for life? Carbohydrates, Lipids, proteins, and nucleic acids (basically food, fat, muscles, and DNA drama.)
What structure controls what enters and leaves the cell? The cell membrane
What are the four main tissue types? Epithelial, connective, muscle, and nervous tissue.
What are osteoblasts and osteoclasts? osteoblasts build bones, osteoclasts crush bone,
What are the two main parts of the skeleton? Axial (spine, skull, ribs) and appendicular (arms, legs). One holds you up the other helps you move.
Atom The smallest unit of matter.
Mitochondria The powerhouse of the cell- turns food into energy like a mini generator.
Epidermis The outermost layer of skin- your body's built-in waterproof jacket.
What's the difference between positive and negative feed back loops? Negative feedback reverse a change (like cooling you when you're hot), positive feedback amplifies it (like contractions during childbirth)
What's the function of the rough endoplasmic reticulum (RER)? To synthesize and fold proteins using ribosomes- the cell's protein assembly line.
What's the difference between compact and spongy bone? Compact bone is dense and strong, spongy bone is lighter and has trabeculae filled with marrow. think concrete VS honeycomb.
What are the main functions of the skeletal system? Support, protection, movement, mineral storage, and blood cell formation.
Created by: Jaylove2710
 

 



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