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Unit 6: Test Review
Unit 6: Test Review
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Human Body Systems
Flashcards
32 cards
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Questions
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Answers
1
The larger bottom (2) chambers of the heart that pump blood are the
aorta
ventricles.
valves.
atria.
2
What type of neuron was innervated when the brain signaled to your muscles to grab some chips?
motor neuron
neurotransmitter
action neuron
sensory neuron
3
Your nerves
(both sensory and motor...what you sense and how your body responds) are a part of
the respiratory system.
the circulatory system.
the central nervous system.
the peripheral nervous system.
4
This spear fisherman holds his breath as he stalks his prey. His pause in breathing is called
vasoconstriction
synapses
bradycardia
apnea
5
The nervous system is made of billions of tiny connections / nerves called
neurons.
vessels.
synapses.
neurotransmitters.
6
Chronic coughing, inflammation, and mucus build up in these specific tubes leads to bronchitis?
trachea
lungs
bronchi and bronchioles
alveoli
7
Capillaries are smaller vessels branching off arteries and veins that deliver __ and remove __.
CO2 ; red blood cells
O2 ; red blood cells
CO2 ; O2
O2 ; CO2
8
Watch the video and identify the part of the brain being used most in the clip.
cerebellum
brain stem
cerebrum
spinal cord
9
Based on this animation, the function of heart valves is / are to
push blood back to receive oxygen.
keep blood flowing in 1-direction & prevent backflow.
pump the blood.
keep blood flowing back & forth throughout the heart
10
Outline the systematic path of O
2
as it
enters the body
and is delivered to cells...
cells ---> circulatory syst. ---> respiratory syst.
circulatory syst. --> respiratory syst. ---> cells
mouth ---> blood ---> organ
respiratory syst. ---> circulatory syst. ---> cells
11
Largest to smallest: What is missing? Organism - Organ System -
?
- Tissues - Cells?
Organs
Body Parts
Organelles
Muscles
12
Name the main passageway / tube of the respiratory system that has been cut in the image.
bronchi
diaphragm
trachea
alveoli
13
You are hungry and hear someone open up a bag of chips. You picked up the sound through a
action neuron.
motor neuron.
neurotransmitter.
sensory neuron.
14
Sensors pick up info. from the environment, send signals to the brain (CNS), and your body
goes to sleep
blocks new sensory information
sends a signal back to the brain
usually follows with a motor response
15
The chemical form of communication within the nervous system is carried out by...
drugs that squirt between neurons
electrical pulses
hormones from glands
neurotransmitters that squirt between nerve endings/neurons
16
Once this beautiful man submerges his head in the icy cold water, he will begin to experience
the thinning of his blood.
an increased rate of breaths.
the mammalian diving reflex.
an increased heart rate.
17
Part of the brain controlling heart rate and breathing & is often injured in car crashes.
brain stem
cerebellum
cerebrum
spinal cord
18
In addition to blood, the other (2) components making up the circulatory system are
blood vessels and heart.
arteries and veins.
veins and heart.
arteries and heart.
19
Your
brain and spinal cord
are a part of your
central nervous system.
circulatory system.
peripheral nervous system.
respiratory system.
20
Changes in temperature are detected by these receptors on nerves within the skin?
thermoreceptors
chemoreceptors
motoreceptors
temporeceptors
21
Tiny air sacs in the lungs where the exchange of oxygen and carbon dioxide takes place.
bronchioles
alveoli
trachea
larynx
22
When deciding to surprise your parent(s) & clean the house, you made the decision using your
cerebrum.
spinal cord.
cerebellum.
brain stem
23
The space
between nerve endings where chemical messages are fired is called the
impulse.
neurotransmitters.
cell body.
synapse.
24
This man's heart slowed down conserving O
2
and increases blood flow to his brain and heart.
The decrease in heart rate is called Vasoconstriction.
The decrease in heart rate is called Bradycardia.
The decrease in heart rate is called Vacillation.
The decrease in heart rate is called Apnea.
25
The (2) Sensory Receptors outlined in the graphic organizer from the Diving Reflex Lab are
hot and cold receptors.
pressure and motion receptors.
oxygen and white blood counts.
chemoreceptors and thermoreceptors.
26
Name the (red) muscle under the lungs that contracts during breathing.
diaphragm
trachea
larynx
alveoli
27
Chemoreceptors are located in the blood vessels & brain and detect changes in
temperature.
calcium levels.
oxygen concentration.
blood thickness.
28
The red blood vessels that move blood away from the heart at a higher pressure are called
arteries
small vessels
veins
capillaries
29
Blood carries these vital molecules
to every cell in the body?
oxygen and calcium
oxygen and sugar (nutrients)
oxygen and carbon dioxide
oxygen and wastes
30
The best way to get the most extra credit this term is to
bring clorox wipes.
bring a roll of paper towels.
bring a candle for dissection.
bring a box of gloves for dissection.
31
The blue blood vessels that move blood back to the heart at a lower pressure are called
arteries
small vessels
capillaries
veins
32
Homeostasis
- process helping organisms maintain ____ balance when faced with external changes.
internal
circulatory
respiratory
external
