I want to know why there is pain when the cardiac muscle is deprived of oxygen? Are there sensory receptors that signal to the Central Nervous System that O2 is low?
Thanks a lot,
Mario

2006-10-15 13:19:02 · 6 answers · asked by Mario S 1 in Medicine

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if a person had the resources and time, could divers make the contients into islands by chipping away at them?

2006-10-15 13:17:43 · 6 answers · asked by kelleygaither2000 1 in Earth Sciences & Geology

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What are the generalities assosiated with cell function and structure? Please Help!?

What are things all cells have in common, in general?

2006-10-15 13:15:40 · 3 answers · asked by Nicki S 1 in Biology

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The position equation for the movement of a particle is give by s=(t^2)^3 when s is measured in feet and t is?

measured in seconds. Find the acceleration at two seconds.
please explain steps. thank you.

2006-10-15 13:15:22 · 5 answers · asked by j a 1 in Mathematics

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Can your heart explode?

Literally?

2006-10-15 13:13:52 · 9 answers · asked by ANTHONY D 1 in Biology

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what is a rolie polie?

2006-10-15 13:12:17 · 15 answers · asked by george h 1 in Zoology

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How many square cenimeters are in 1 square inch?

2006-10-15 13:11:59 · 3 answers · asked by ♥::♥::♥ 1 in Other - Science

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A student drops a rock from a bridge to the water 21.0 m below. With what speed does the rock strike the water

2006-10-15 13:11:47 · 3 answers · asked by hi 2 in Physics

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The length of the largest sail along the mast is 82.5 feet. The length of the diagonal portion of the sail is 90.3 feet. What is the length of the sail along the boom? (Answers are rounded to the nearest tenth.)

2006-10-15 13:11:25 · 8 answers · asked by Anonymous in Mathematics

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F(x+h)-F(x)/h?

For the function F(X)= 2x squard-x+5 write and simplify the expression using: F(x+h)-F(x)/h

2006-10-15 13:11:05 · 3 answers · asked by Anonymous in Mathematics

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A narrow neck of land connecting two largerportions of land?

2006-10-15 13:10:29 · 11 answers · asked by Anonymous in Geography

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what comes next from a thrillion?

thankyou if you answer this question!

2006-10-15 13:10:22 · 6 answers · asked by ALRAK 1 in Mathematics

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Where can I see pictures of Jacques Lavoie's 1978 siting of UFO's?

The sitings were in Quebec.

2006-10-15 13:10:11 · 2 answers · asked by pilali 1 in Earth Sciences & Geology

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Dimensional Analysis: How many milliliters (mL) are in 1 ounce (oz.)?

2006-10-15 13:09:45 · 1 answers · asked by ♥::♥::♥ 1 in Other - Science

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a) nowhere b) the highest point c) the launch point?

As a projectile thrown upward moves in its parabolic path, at what point along its path are the velocity and acceleration vectors for the projectile perpendicular to each other?

2006-10-15 13:08:05 · 3 answers · asked by jewlie j 1 in Physics

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