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BONUES 500 points!
What is "resident flora"?
A community of bacteria that live in our gut. They are beneficial to us, as they eat resources that would otherwise feed the bad bacteria. They also help in digestion.
What does Ghrelin do in our body?
How many semicircular canals are there?
What is the name of the response our body gives when suddenly under stress?
"Fight or flight" response
BONUS 500 points!
What is a pathogen?
A microorganism that is dangerous to the body.
What is homeostasis?
Name two things the body does when it's body temperature drops.
Shivers (the small muscle contractions create energy)
Goosebumps (causes hair to stand up)
BONUS 500 Points!
What does the word "somatosensory" mean?
Relating to touch or pressure as felt anywhere in the body.
Which organ is primarily responsible for filtering blood?
Kidneys
What is the difference between the innate and the adaptive immune response?
Innate: fast-acting; a general defense against all.
Adaptive: slow-acting; highly specific to certain pathogens.
What is the difference between an antigen and an antibody?
Antigen: a flag on the surface of a pathogen.
Antibody: a specific weapon customized to fight one pathogen.
What does leptin do in the body?
This is known as the "satiety hormone" because it makes you feel full and satisfied!
Why do we feel dizzy after spinning in a chair?
The water on the otolith cells is still moving, sending signals to the brain that you are still spinning. Yet your visual system is saying you're still! The conflicting signals causes dizziness.
How does the body filter toxins out of blood?
It takes everything out! And then returns the nutrients and necessary water to the bloodstream. The waste products and excess water is excreted from the body in urine.
Name 2 examples of the innate immune response.
Skin, mucus membranes, chemicals in saliva, resident flora in gut.
What does Goldilocks have to do with homeostasis?
She likes things "just right." Our bodies also like things just right and perform homeostasis to achieve that.
Name the 2 parts of the ear helps us keep our balance?
Semicircular canals and otoliths
Cortisol and adrenaline
What is an antigen?
A flag on the surface of a pathogen which helps the body recognize friend from foe.
What is an inflammatory response and is it part of the innate or the adaptive immune response?
The inflammatory response occurs when there has been a cut. It involves increased blood flow, heat, swelling, and pain.
98.6 oF = 37 oC
Which three inputs does the brain consider when maintaining the body's balance?
Visual input, vestibular (inner ear) input, somatosensory input
Name 4 ways our body responds to sudden stress.
Dilated pupils, tunnel vision, increased heartbeat and blood pressure, sweat, tense muscles, decreased digestion
What is the role of white blood cells in the immune response?
White blood cells make antibodies that attach to the pathogen, marking it for destruction. Then other white blood cells will engulf the marked pathogen and digest it.