Video của Node Sidi (@node.sidi) với bản nhạc âm thanh gốc - Node Sidi

Here's exactly what happens every time your heart beats 🫀 It starts with an electrical signal from the SA node — your heart's natural pacemaker. That signal tells your atria to contract, pushing blood down into the ventricles. Then the ventricles contract (ventricular systole): 🫀 Right ventricle → pumps deoxygenated blood to the lungs 🫀 Left ventricle → pumps oxygen-rich blood to the rest of your body After that, the heart enters diastole — a brief relaxation where the chambers refill and pre

DIY projects for our apartment

Colorful Terrazzo Concrete Pot DIY You Can Actually Make 🌈🪴 #diyhome #planter

Purpose Formula: 3 Placements Everyone Should Know

#KONE S MonoSpace Traction #Elevator | Marine Parade #MRT Station [TE26], #Singapore [Bicycle Park]

تمرينه منزليه لشد ترهلات الجزء العلوى #تمارين_نسائية #رياضه #اتعلمى_تتمرنى_لوحدك #اتمرنى_صح #تخسيس