The two differences you see when comparing the four chambers of the heart is that the arteries have a thicker wall and veins have thin walls and that the arteries carry oxygenated blood away from the heart which means they get more pressure than veins.
Answer:
Increase the reaction rate
Explanation:
Enzymes are organic substances that are produced to catalyse and speed up chemical reactions in chemical reactions. Enzymes take part in product formation. They lower the activation energy by acting as catalysts during a chemical reaction thus products are formed faster.
I think it's...
The sperm (male nucleus) goes through the pollen tube via micropyle
to fuse with the female nucleus.
<span>When using the outside fire protocol information about hazards should be reported by the caller. This would help firefighters and other relevant agencies prepare adequately for the evacuation and firefight drills, in containment and otherwise.</span>
9:1
What is coagulation test?
When you cut yourself, clotting stops the blood from becoming excessive. Your blood should not clot as it flows through your veins, though. These clots have the potential to develop and move through your bloodstream to your heart, lungs, or brain. A heart attack, stroke, or even death could result from this.
Coagulation assays assess the speed and consistency of blood clotting. Your doctor can use testing to determine your risk of excessive bleeding or the occurrence of clots (thrombosis) in one of your blood arteries.
Venous blood samples for coagulation assays should be drawn into a blue top tube containing 3.2% buffered sodium citrate to produce whole blood samples with a 9:1 blood to anticoagulant ratio.
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