unit 6 biology

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thermoregulation

regulating or temperature in a narrow limit

endothermic

organisms that are warmed by heat their own body generates

ectothermic

an organisms body is warmed by external source (sun)

conduction

direct transfer of heat between objects in direct contact

convection

transfer of heat by the movement of air or liquid pas a surface, typically a loss

radiation

a mission of electromagnetic waves. Objects are not touching

evaporation

it is a loss of heat from the surface of a liquid in the form of gas molecules

osmoregulations

animals balance water and solute level, it is regulating water

osmoconformers

mostly marine invertebrates, their body fluids are the same solutes as the fluid they live in

osmoregulators

to dispose of excess water and conserve solutes, produce urine, actively monitor and regulate the amount of water in their body

nephrons

sit right on the junction between the cortex and pyramids in the kidney. it filters and refines for the kidneys

dialysis

helps get rid of the toxic waster build up in your blood when you kidneys fail

hormone

is a substance that acts as a chemical signal

Amino acid derive

longs chains of peptide protein, water soleable, how hormone gets into your cells

steroid hormone

form from cholesterol, lipid sliable

thyroid

basal metabolic rate, blood calcium level, strictly endocrine

parathyroid

helps regulate blood calcium level, strictly endocrine

pancreas

blood sugar levels, and digestive system enzymes, dual roles

ovaries/testes

sex hormones, make gametes, dual rules

adrenal glands

deal with stress, absorb sodium, metabolic rates, "Fight of Flight", dual roles

thymus

hormone for T cell development, are for the T cell development, dual roles

hypothalamus

hormones to directly control your pituary gland, regulate hunger/thirst, and regulate visceral activities, dual roles

posterior

it is a direct extension from the hypothalamus

anterior

wraps itself around part of the posterior

oxtocin

contraction of uitary muscle, release of milk after child birth

ADH

cause kidneys to keep water

TSH

makes thyroid sucrete its own hormones

GH

body grow and develop

FSH & LH

goes to the gonads

ACTH

cause adrenal glands to sucrete their own hormones

MSH

goes to the epidermis of your skin, makes your skin color

PRL

milk formation

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