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Alejandra

Physiology assignment 1 wk 1-6

QuestionAnswer
What is Homeostasis? The body’s ability to maintain a stable internal environment.
What does DNA stand for? Deoxyribonucleic acid
What is the main function of the mitochondria? Mitochondria produces energy (ATP) for the cell
The difference between active and passive transport? Active transport requires energy and passive passport does not require energy
What are the three main layers of the skin? Epidermis, dermis and hypodermis
T or F: Melanocytes in the epidermis produces melanin, which aids in protecting the body from UV radiation True
What cells produces cartilage? Chondrocytes
Name two reasons why the musculoskeletal system is important? Provides structure and support to the body, allows muscle and joint movement
Two proteins responsible for muscle contraction? Actin and Myosin
What is a ligand-gated ion? A membrane receptor that opens and closes when a ligand binds to it
What makes a ligand-gated selective? Allows certain ions to pass through due to their structure
Created by: Aherrera4
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