Animal Bodies and Homeostasis
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30 Terms
What are the unique features of Muscle Tissue?
Cells can shorten or contract, decrease tube diameters, exert pressure on fluid-filled cavities.
What are the subtypes of Muscle Tissue?
Skeletal, Smooth, Cardiac.
What is the main function of Muscle Tissue?
Produce body movements, regulate body temperature.
What are the unique features of Nervous tissue?
Conduct electrical signals, have long axons, stimulate activity.
What are the subtypes of Nervous Tissue?
Neurons, Glial cells.
What are the main functions of Nervous Tissue?
Initiate and conduct electrical signals (sensory neurons), stimulate or suppress activity throughout the body (motor neurons).
What are the unique features of Epithelial tissue?
Line organs, form sheets, have polar cells.
What are the subtypes of Epithelial Tissue?
Pseudostratified, Squamous, Simple Cuboidal, Transversal.
What is the main function of Epithelial Tissue?
Secretion, absorption, protection, transportation of ions.
What are the subtypes of Connective Tissue?
Adipose, Bone, Blood, Cartilage, Cells of Immune System.
What is the main function of Connective Tissue?
Connect and support body structure, energy storage, production of blood cells, carry oxygen, transport nutrients, defense against pathogens.
Substances move from areas of _____ concentration to areas of _____ concentration.
High; low.
What is an organ made up of?
Two or more kinds of tissue.
What is an organ system made up of?
Two or more organs that function to complete a certain task.
What is osmosis?
The movement of water from an area of low solute concentration to an area of high solute concentration.
What is passive diffusion?
The movement of substances from an area of high to low concentration without requiring energy.
What is facilitated diffusion?
The movement of substances from an area of high to low concentration, sometimes requiring energy.
What is active transport?
The movement of substances from an area of low to high concentration, requiring energy.
What is homeostasis?
Maintaining a strict normal range of parameters, such as the body's ion and water concentration.
Why does maintaining homeostasis cost energy?
Our outside environment is different from our internal environment, so it costs energy to maintain order.
What are the advantages of being a regulator?
Body parameters are perfect at all time, live anywhere within reason.
What are the disadvantages of being a regulator?
Costs a lot of energy.
What are the advantages of being a conformer?
Save a lot of energy ex. Don't need to eat as much.
What are the disadvantages of being a conformer?
Have to live in / match the right environment.
Effectors involved in the regulation of blood glucose and thermoregulation.
Pancreas, Liver, Tissue cells, Plasma