Digestive + Excretory Systems
What is the purpose of saliva?
Starts to break down food, (sugar and starches)
What are the 4 chambers of the heart called?
Ventricles
What is a vaccine?
A substance introduced to the body to stimulate an immune response
What tissue connects muscles to bones?
Tendons
What are B cells (lymphocytes)?
The blood cells that produce antibodies in response to pathogens
What organ produces bile to helps digest fats?
The liver
What are alveoli?
The tiny air sacs in the lungs that allow gas exchange with the blood
What are advantages of a mRNA vaccine?
Easier to make, easy to inject, quicker to develop
What are the 3 types of skeletons?
Hydrostatic (worms), Exoskeleton (clams), Endoskeleton (most vertebrates)
What are the 2 types of nervous systems?
Central Nervous System and Peripheral Nervous System
What organ absorbs he most nutrients?
What are the blood vessels carry blood away from the heart?
Arteries
What did traditional vaccines use to produce antibodies?
Dead/inactivated versions of the antigens
What do muscles do?
Contract and extend to cause movement, and generate heat
What part of the neuron receives signals from other neurons?
Dendrites
Which organs filter blood and produce urine?
The kidneys
What is pulmonary circulation?
The pathway blood travels through the lungs ot pick up oxygen
How do vaccines work?
They activate antibodies via antigens so that memory T/B cells develop
What use does a fast twitch muscle have vs. a slow twitch?
Fast twitch: quick movements, tire easily
Slow twitch: long movements, endurance
What is the gap between where neurons where neurotransmitters are released?
The synapse
What is the purpose of villi?
To increase surface area for absorption
Which valve prevents blood in the aorta from flowing back into the left ventricle?
Aortic valve
What are some reasons people avoid vaccines? (valid or not)
Scared, microchips, they were developed quickly, alter DNA, make you temporarily feel sick, religious beliefs
Where is the only place to find cardiac muscles?
The heart
What type of lymphocytes remain after an infection to enable a faster immune response if a pathogen is reintroduced?
Memory B/T cells