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Resp. and Circ. Sys.
Respiratory and Circulatory Systems
Term | Definition |
---|---|
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 |