hormones Flashcards

1
Q

what are hormones?

A

hormones are chemicals are produced by certain cells of glands. they travel along the bloodstream to their target cells or organs

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2
Q

what types of gland secrete hormones and where?

A

exocrine glands act on ducts to secrete fluids outside of the body, e.d tears and sweat.
while endocrine glands secreter hormones with target organs/cells inside of the body.

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3
Q

what is the difference between hormonal and neuronal signaling?

A

neuronal signaling deals with the release of chemicals into and the diffusion across the synaptic cleft to the postsynaptic neuron while hormonal signaling releases chemicals into the bloodstream to act on target organs

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4
Q

how do hormones work?

A

they work gradually, an increase in the level of a certain hormone in the body can cause an increase in the probability or intensity of a certain behavior. they can have multiple effects on different parts of the body
they move in a pulsating pattern
and they can affect each other

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5
Q

what are the three ways in which hormonal signaling are alike?

A

they both produce and store chemicals that are released upon stimulations.
they both bind to receptors on their target
some chemicals can act as either hormones or nts

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6
Q

the four difference between NTSA and Hormones are?

A
  1. target organs/receptors
  2. one is faster
  3. one is always involuntary
  4. one travels a much longer distance.
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7
Q

how are hormones classified?

A

they are classified based on they chemical composition and not function

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8
Q

what are the three classifications of hormones?

A
  1. peptides ( a string of amino acid) - insulin
  2. monoamines - norepinephrine
  3. steroids - testosterone
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9
Q

explain the hpa axis

A

go girl lol

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