Nervous and Endocrine system Flashcards

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1
Q

Which hormone is secreted by the adrenal gland?

A

adrenaline

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2
Q

Which endocrine gland secretes the horomones insulin and glucagon?

A

pancreas

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3
Q

What do you call the hormone that decreases blood glucose level?

A

insulin

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4
Q

All endocrine glands secrete hormones directly into the ____

A

bloodstream

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5
Q

Hormones are important to maintaining homeostasis because they cause (specific/nonspecific) response from target cells.

A

specific

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6
Q

In a neuron, impulse travels from the dendrites -> __ __ -> ___

A

cell body, axon

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7
Q

A nerve impulse travels from the axon terminal of one nerve cell to the ___ of another nerve cell

A

dendrite

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8
Q

Impulse travels from the dendrites to the ____ _____ then to the axon

A

cell body

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9
Q

Which sense receptor is classified by taste and smell stimuli

A

chemoreceptor

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10
Q

pin prick -> sensory neurons -> _____ (spinal cord or brain) -> ____ neuron -> muscle contraction -> pull finger away

A

interneuron, motor neuron

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11
Q

______ neurons carry impulses from outside of the body to the CNS (brain and spinal cord.)

A

sensory

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12
Q

____ are the “antennae” that extend from a neuron and that receive information from other cells or outside the body.

A

dendrites

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13
Q

What is wrapped around the axon that allows the impulse to travel faster?

A

myelin sheath

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14
Q

What is the space between two neurons called?

A

synapse

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15
Q

Once the impulse reaches the axon terminal of the presynaptic nerve cell, chemical messengers called _____ are released into the synapse.

A

neurotransmitters

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16
Q

Reflex responses are controlled in your______ _______.

A

spinal cord

17
Q

Which type of feedback is more common in maintaining homeostasis.?

A

negative feedback (regulating body temperature)

18
Q

if a person does not produce enough insulin, this may result in a (low/high) blood glucose level and cause diabetes

A

high

19
Q

Which type of feedback is less common and creates imbalance in the body?

A

Positive feedback (adrenaline rush)

20
Q

Which part of a neuron carries signals away from the cell body?

A

axon

21
Q

An involuntary and automatic response to a stimulus is called a ____

A

reflex

22
Q

Which neuron conducts impulses from the brain/spinal cord to the body parts?

A

motor neurons

23
Q

Which nerve cell relays impulses between sensory and motor neurons?

A

interneuron

24
Q

The central nervous system (CNS) is made of the ____ and ____.

A

Brain and spinal cord

25
Q

Label the parts of the neuron

A

Cell body, dendrite, axon, axon terminal

26
Q

What is the gap between the myelin sheath called?

A

nodes of ranvier

27
Q

what is the myelin sheath made up of?

A

schwann cells

28
Q

List the three types of neurons

A

sensory neuron, inter neuron, motor neuron.

29
Q

Which brain controls reading, writing, and analyzing

A

left

30
Q

Which brain controls verbal and nonverbal artistic abilities

A

right

31
Q

which sense contributes to the eye and vision

A

photoreceptors

32
Q

which sense contributes to ears and hearing

A

mechanoreceptors

33
Q

what sense detects temperature

A

themoreceptors

34
Q

What is the regulation and maintenance of the internal environment?

A

homeotasis

35
Q

homeostasis is maintained by ______

A

feedback loops