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What is the last valve oxygen depleted blood must pass through before pumping to the lungs?
The last valve oxygen-depleted blood must pass through before being pumped to the lungs is the pulmonary valve. This valve separates the right ventricle from the pulmonary artery and prevents blood from flowing back into the heart. Once the blood passes through this valve, it enters the pulmonary artery and travels to the lungs for oxygenation.
What must happen before meiosis can begin?
DNA replicates and forms tetrad—APEX.
Where does the oxygen enters and carbon dioxide leaves?
Oxygen must enter our blood and Carbon Dioxide must leave the blood through our lungs. They do so by diffusion between the cappillaries.
Which organ must the bloodpass through before it is returned to the rest of the body?
Your blood must pass through your lungs, before it goes to the rest of the body.
What must happen for an allergic reaction to occur?
To get an allergic reaction you must be allergic to this food. If it enters the mouth,eyes, nose or any place that has an opening you will get the reaction.
How many fouls must a team commit in basketball before the opposing team enters the bonus?
In basketball, a team must commit a total of 7 fouls in a half before the opposing team enters the bonus, allowing them to shoot free throws on non-shooting fouls.
What must happen before the fertilization process can happen in pea plants?
The flowers must be open and contain ripe pollen.
How many fouls must a team commit in the NBA before the opposing team enters the bonus?
In the NBA, a team must commit a total of five team fouls in a quarter before the opposing team enters the bonus, allowing them to shoot free throws on non-shooting fouls.
How many team fouls must be committed before a team enters the bonus in the NBA?
In the NBA, a team enters the bonus when they commit a total of five team fouls in a quarter.
Must happen before the President can sign a peace treaty?
the congress must approve
What is the first thing that must happen before an organism becomes fossilized?
It must die.
What must happen before rain falls from a cloud?
condensation
