In the heart model, the mason jar is already filled with blood. When you press down on the balloon, or the muscle of the heart, blood squirts out. When you were exercising, you needed more oxygenated blood, so your heart had to work harder! That's why it beat faster after exercise. The sound of your heartbeat is the sound of valves in your heart closing. Valves act like doors in your heart, controlling how much blood goes in and out. Have you ever heard your heart? How about someone else's heart? Doctors use an instrument called a stethoscope to listen to your heartbeat. In this experiment, you can listen to your heartbeat with a stethoscope as doctors use, or make your own simple stethoscope. What You Need: After 15 minutes of exercising, measure your partner's heartbeat, counting how many beats there are during one minute. Write this new number down. Is it different from the number before?

Did you know that your heart is made up of muscles? Not just any muscles, though! The muscles that keep your heart pumping are called cardiac muscles. They are particularly strong and can work constantly without becoming tired or sore the way other muscles often do.Starting it with these mystic candles straws, they are easier to make than you thought, attach your cylindrical straw-like candles to your smoothies straws and these will surely shine on your party tables. This is a truly inspiring and funny woven heart made with the straws for decoration purposes. Also, these straws can be joined together so closely to make a perfect flower vase, for this purpose you can select colored straws. Open some of the colorful straws to make them flat and connect them to one and another to make an animal key chain as you can see over here. This overlapping technique of the straws can make many unbelievable and absurd DIY projects. Make the prettiest summer decors for your home with these plastic straws and the yarn plant hanging. The yarn macramé is traditional to use for the plant hanging but you can add more pop up of the colors and cuteness to them using the colorful cut out pieces of the straws to them. Details here! Now kids can make some fun summer sea creatures at home just like this fine motor octopus. The head of the octopus is made with a paper plate with a painted face. The multiple legs of the octopus are made with pipe cleaners and colorful rigatoni pasta. You can follow the easy details of the idea right here! You can make the best picture frames at home and that too using the cheapest things lying around. So get your old frame or the new one that you have bought and get into your kitchen to get the colorful straws. Glue these straws over the boundary of the straw frame and make it look instantly eye-catching. Details here! The little girls love to make pretty and colorful bracelets and this time you can make these drinking straw bracelets. So get your hands on some colorful straws and cut three to four pieces out of one straw then work up these straw pieces through the colorful thread with a wooden bead clasp and your bracelet is ready. Details here!

Get hearts pumping in your classroom, learn how the heart works, see how blood is pumped and understand the importance of valves. Pour the red water into the sink. Dispose of the cups and the straws in the trash. You can dry your modeling clay and reuse it. What Happened? Heart rate is affected by many things. It varies by person, but also each person experiences variations in their heart rate every day. Many things can affect heart rate including age, health, activity, caffeine, sugar and more.

In a pitcher, mix your water and food colouring to create your “red blood”. The exact amount of water is not important. Begin by placing your index and middle finger on the inner wrist of the other arm, just below the base of the thumb. You may not be able to feel the pulse immediately and may need to shift your fingers until you feel a tapping against your fingers.

Enjoy doing these 44 DIY Crafts Made From Drinking Straw this weekend and share the ideas with your friends. Plan a birthday party or a simple get along and do the project according to the theme. Birthday Smoothies + Candle Straws: Make these super cute paper straw witch brooms for the fun Halloween décor. So the things that you need to make these lovely witch brooms are the colorful stripy paper straws, matching scotch tape, and the raffia. These would make pretty party flags in a jar. Not only Halloween these are also perfect to make for a witch theme party.After you find your pulse, count the number of taps you feel in 10 seconds. Then simply multiply that number by 6 to calculate your heart rate per minute.