1. Human heart • Four chambers • Double circuit• Oxygen poor blood is pumped from the right side of the heart to the lungs where it is oxygenated. Oxygen rich blood…
1. Heart 2. Human Heart 3. In humans, the heart has four chambers: two upper chambers (the atria) and two lower ones (the ventricles). The right atrium and right ventricle…
1. In humans, the heart has four chambers: two upper chambers (the atria) and two lower ones (the ventricles). The right atrium and right ventricle together make up the…
1. In humans, the heart has four chambers: two upper chambers (the atria) and two lower ones (the ventricles). The right atrium and right ventricle together make up the…