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org and resp quizlet questions

Terms in this set (50)

sLook at slide 1. Put in order from least complex to most complex Organs, Cells, Tissues Atoms or Molecules.
atoms, molecules, cells, tissues, organs, human body
sWrite the type of receptor for each of the following sense in order - Sight, Hearing, Taste, Touch, Smell.
sight-photoreceptor hearing-mechanoreceptor touch-thermoreceptor and mechanoreceptor taste-chemoreceptors smell-chemoreceptors
sWhere are most of the cones found in the eye in terms of the Fovea?
in the centre
sWhere are rods found in the eye in terms of the Fovea.
on the outside
sWhich are more sensitive to colour? Rods or Cones?
cones
sIf light enters the eye through the side and hits the edge of the retina what colour will it be mostly seen as?
black and white
sAnswer true or false. The reason the eye sac is a folded shape is to let more light in.
true
sPain receptors are actually terminal branches of Neurons. Answer true or false - This means the sensation doesn't actually go through a mechano or thermoreceptor but straight to the neuron.
true
cWhat is the name of a single nerve cell?
neuron
cAnswer the following - Nerves are actually a combination of two or more __________ together.
neurons
cThe cord in which an electrical signal travels down a Neuron is called the ______?
axon
cThe start of the Neuron that picks up signals from receptors and looks like branches is called the ____________?
dendrites
cAround the Axon is an insulating material like plastic around an electrical wire. It is called the _________________?
myelin sheath
cFor an electrical impulse to go from one the Axon terminal to the dendrites of the next Neuron it has to travel through the _____________?
synapse
cAt the Synapse special chemicals called ___________________ are released sending the message to the next Neuron.
neurotransmitters
ccHomeostasis is when a system, be it plant animal or other tries to keep its conditions ___________.
stable
ccLook at slide 3 - a picture of a heating system. What is the effector (the thing that does the change)?
heater
ccLook at slide 3 - picture of a heating system. What is the response?
heat
ccLook at slide 3 - picture of a heating system. What is the receptor?
thermometer
ccLook at slide 17 - Is breast feeding positive or negative feedback?
positive feedback
ccLook at slide 17 - Breastfeeding - what is the stimulus, receptor, effector and response?
stimulus- baby sucks receptor- nerves in breast effector-milk glands in breast response- milk flows
ccIn Global warming more heat means that more Carbon dioxide is released into the atmosphere - this produces more heat which produces more Carbon Dioxide and so on. What type of feedback is this?
positive feedback
ccIn Positive feedback does the graph get further and further away or come back to zero quickly?
further away
cLook at slide 7 - Does the body work well over a large temperature range or small?
small
cLook at slide 7 - What do we call it if our body heats up or cools down and we try and it tries to get it back to normal?
negative
cLook at slide 10. What type of feedback is this when the body tries to get the temperature right?
negative feedback
cLook at slide 10. What is the name of the control centre that tells the effectors what to do?
hypothalamus
cIn slide 10 what do we call the things that carry out the Hypothalumus' instructions - e.g Blood Vessels, Sweat Glands and Hairs.
the effector
cIn slide 10 what do we call it when the effectors carry out the instructions?
the response
cWhat do we call it when we put our hand in a flame and the message to the effector comes straight from the spine?
reflex reaction
eWhat is the name starting with G for the different organs in the Endocrine System?
glands
eWhat is the name of the chemical messagers telling the body what to do in the Endocrine System?
hormones
eAre all Hormones the same or are there special ones for special jobs?
there are special one for special jobs
eLook at slide 53. - Water and Electrolyte balance - What will happen to a person's urine when they run short on water?
it goes yellow
oCan all bacteria be thought of as a Pathogen?
no
oIf bacteria lives in fungi, plants or animals what do we call these things?
hosts
oLook at slide 7 - How are the eggs of the tapeworm spread.
the eggs are ingested by livestock, then hatch into large and infect the animals mucus tissue
oCan Viruses be killed by antibiotics?
no it only kills bacteria
oWhat do Viruses need to reproduce?
a host
oIs the common cold spread by Bacteria or a Virus?
virus
oAnswer true or false - A parasistic infection means - A creature lives off a host which is negatively impacted by its presence.
true
oWhich out of the following is not a parasite? Ring Worm, Tape Worm, Common Cold.
common cold
oSlide 12 - What do we call the animals that spread disease? For example a Mosquito?
vector
oMucus is part of the body's first line of defence. It is actually a response to a _______________.
pathogen
oWhat does Mucus do to Pathogen's (Slide 18).
removes them
oFill in the missing word - "Antigens are foreign substances that when introduced into a body can induce an ___________ response"(Slide 25)
immune
oWhat is the name of our bodies chemicals that destroy Antigens? (Slide 27)
antibodies
oComplete the sentence -"Vaccines contain a weakened virus which makes our body trigger an ____________ response". Our body learns how to deal with the virus (Slide 34).
immune
oWhat is the main role of white blood cells? (Slide 28)
they fight diseases
oIs the Lymphatic System complex or simple? (Slide 30)
complex
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