concept 11lesson 4 difference between inhalation and exhalation منهج الصف الرابع الابتدائي لغات

>> YOUR LINK HERE: ___ http://youtube.com/watch?v=M9cGPF9iL9s

00:00 How does the body exhale inhale? • 00:26 what is the difference between inhalation and exhalation ? • 00:36 inhale diaphragm • 00:51 exhale diaphragm • 01:07 why does the body expel Carbon dioxide gas ? • 01:20 can we hold our breath for a very long time ? • 01:35 How can you keep the respiratory system healthy ? • • • • • Respiration process includes • 1. Inhalation (breathe in). • 2. Exhalation (breathe out). • inhalation and exhalation are directed by a large muscle at the base of the ribs called the diaphragm. • what is the difference between inhalation and exhalation ? • During inhalation • The diaphragm contracts (shrinks) • and moves downward. • Size of chest increases (enlarges) • The air rich in oxygen gas enters the lungs • During exhalation • The diaphragm relaxes (expands ) • and moves upward. • Size of chest decreases • (becomes narrow) • the air rich in carbon dioxide gas is expelled out of the lungs • why does the body expel Carbon dioxide gas ? • Carbon dioxide gas which is produced during respiration process is a waste product. • This gas is harmful to our bodies so, we must expel it out during exhalation. • can we hold our breath for a very long time ? • We can't hold our breath for a very long time. • Because we can't inhale oxygen and expel out carbon dioxide so, the body can't perform its vital processes • How can you keep the respiratory system healthy ? • Breathing clean air • Eat fruits rich in vitamin (C) , such as orange and guava. • Avoid smoking and smoking areas. • repeat after me • Inhalation (breathe in) • Inhalation (breathe in) • Exhalation (breathe out) • Exhalation (breathe out) • diaphragm • diaphragm • Size of chest • Size of chest • The air rich in oxygen gas enters the lungs • The air rich in oxygen gas enters the lungs • the air rich in carbon dioxide gas is expelled out of the lungs • the air rich in carbon dioxide gas is expelled out of the lungs • clean air • clean air • smoking • smoking • fruits rich in vitamin (C) • fruits rich in vitamin (C) • you are excellent • In the next video we will discuss , how fish breathe ? • Don't forget to subscribe and share this video to your friends , goodbye

#############################

New on site