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Resp. and Circ. Sys.

Respiratory and Circulatory Systems

nose filters and warms air you breath
larynx voicebox
trachea windpipe
alveoli air sacs in your lungs
pleural membrane surrounds your lungs
Where does cellular respiration take place in the cell? mitochondria
What is the primary job of cellular respiration? to release ENERGY from digested nutrients (food).
What does it mean if food releases more heat when burned? It contains(has) more calories.
What are the ingredients (inputs) of cellular respiration? nutrients (glucose), oxygen
What are the products (outputs) of cellular respiration? energy (ATP), carbon dioxide, water
Examples of homeostasis (respiratory and circulatory system) more glucose is burned if you body needs more energy and your breathing rate increases during exercise
Path of oxygen when you breath mouth/nose, trachea, bronchi, bronchioles, alveoli, bloodstream
vital capacity the amount of air that person can exhale after a deep breath. *remember we measured this in lab
What happens when you you inhale? diaphragm moves DOWN, ribs go out, volume in chest cavity increases, and air pressure in lungs DECREASES
what happens between the alveoli and capillaries? oxygen and carbon dioxide gas exchange
Can you ever remove all the air from your lungs? no, you always have some remaining. *remember the sponge lab?
Bromthymol Blue (BTB) checks for the presence of what substance? carbon dioxide
why do you exhale more carbon dioxide? during cellular respiration, cells produce carbon dioxide as waste.
What is the aorta? the "superhighway" that carries oxygenated blood out of the heart and UP into the body
which way does blood flow through the left ventricle? flows down. *know you heart diagram
which way does blood flow through the right ventricle? flows up. *know your heart diagram
flaps of tissue between heart chambers valve
Where does blood from the right atrium come from? Which way does the blood flow? vena cava and it flows down to the right ventricle.
Pulmonary veins bring oxygenated blood from the lungs back to the... left atrium, left ventricle and aorta (then to the body)
red blood cells carries oxygen to body cells
white blood cells protects the body against disease
platelet aids in clotting of blood after a cut
plasma liquid part of the blood
is the human circulatory system opened or closed? closed because there is no entry or exit
how many chambers in the heart? four chambers
Which ventricle is stronger? the left ventricle is stronger because it pumps blood to the whole body instead of just the lungs.
why do body's cells come back to the heart with less oxygen? the body cells use oxygen for respiration
what happens to your blood pressure, when arteries build up with plaque? the blood pressure increases
what are some risk factor for high blood pressure? excess cholesterol, obesity, smoking
Created by: solgarcia