Ejection Fraction The Lower the Number, the Higher the Risk. Ejection fraction, or EF, is the percentage of blood that is pumped out of the heart during each beat. Doctors often use EF to determine how healthy your heart is and how well it is functioning as a pump. A low EF number is a serious health risk.
To really get your costume looking right, try to get an aqua-blue hooded sweatshirt, t-shirt, or tank-top to turn into your Rainbow Dash costume. You don't really need to do anything to the shirt to make a costume out of it, just make sure it's the right color. With your wig, it'll start looking a lot like Rainbow Dash.
Have the children trace the first word six times, once with each color of the rainbow ? red, orange, yellow, green, blue, purple. Do it as a group ? spelling and reading the word as they trace it. As they trace the word on top of the letters you printed on the ditto, a rainbow will form. Follow this procedure with all three words. Have the students cut across their papers to create three word strips. Have the students use their word strips to practice reading the words.