Circulatory and Respiratory System Flashcards
What describes the role of the ๐ฐ๐ถ๐ฟ๐ฐ๐๐น๐ฎ๐๐ผ๐ฟ๐ ๐๐๐๐๐ฒ๐บ in humans?
transports oxygen, nutrients, wastes ; helps regulate body temperature
How does the circulatory system help the body maintain a constant internal temperature? Name TWO that apple
- Blood vessels in the skin constrict to keep heat in
- blood vessels in the skin dilate, or expand, to release heat
Thermoregulation is an example of ___ feedback
negative
The metal found in hemoglobin isโฆ.
iron
What is the function of arteries?
Carry blood away from the heart
True or false?
Veins have thick muscular walls.
False
Which type of blood vessel contains valves to prevent back-flow?
veins
The smallest blood vessels are called -
capillaries
If a blood clot forms in the lungs, it is referred to as a ___ embolism.
pulmonary
Which type of blood vessels are extremely thin, which easily allows for diffusion to occur?
capillaries
Why does cardiac muscle contain more mitochondria than other types of muscle?
The heart is an involuntary muscle and beats continuously
what is this blood component description?
plasma
the liquid component of blood mostly made up of water
what is this blood component description?
platelets
cell fragments that are involved in the formation of blood clots
what is this blood component description?
red blood cells
the blood cells that transport oxygen gas to the cells of the body
what is this blood component description?
white blood cells
the blood cells that also function as part of the immune systems
If the feedback accelerates the process of clotting until the clot is large enough to stop the bleeding. What type of feedback is blood clotting?
positive feedback
Which type of blood vessel allows oxygen and nutrients to enter the blood stream?
capillaries
What best describes the role of the ๐ฟ๐ฒ๐๐ฝ๐ถ๐ฟ๐ฎ๐๐ผ๐ฟ๐ ๐๐๐๐๐ฒ๐บ in humans?
brings in oxygen gas for cells ; expels carbon dioxide and water vapor
Identify the following molecules as either a reactant or a product of cellular respiration.
C6H12O6 (glucose)
reactant
Identify the following molecules as either a reactant or a product of cellular respiration.
H2O (water)
product
Identify the following molecules as either a reactant or a product of cellular respiration.
CO2 (carbon dioxide)
product
Identify the following molecules as either a reactant or a product of cellular respiration.
O2 (oxygen)
reactant
Identify the following molecules as either a reactant or a product of cellular respiration.
ATP (energy)
product
Which organelle is responsible for performing cellular respiration?
mitochondria
