Anatomy
How many chambers does the human heart have?
Four (two atria and two ventricles).
In which organ does blood get rid of carbon dioxide and pick up oxygen?
The Lungs.
Which blood cells are responsible for carrying oxygen throughout the body?
Red blood cells (Erythrocytes)
What is the name of the muscle wall that separates the left and right sides of the heart?
The Septum
What is the largest and main artery in the human body?
The aorta
These cell fragments help the blood to clot and stop bleeding from a cut.
Platelets (Thrombocytes)
These structures act like "one-way doors" to prevent blood from flowing backward.
Valves
In which chamber of the heart does the Systemic (Large) circulation begin?
Left ventricle.
What is the iron-rich protein that gives blood its red color? /
Hemoglobin
What is the thick, muscular middle layer of the heart wall called?
Myocardium
These are the smallest blood vessels where the exchange of nutrients and gases occurs
Capillaries
What is the yellowish, liquid part of the blood called?
Plasma
Which arteries supply oxygen-rich blood specifically to the heart muscle itself?
Coronary arteries.
Does the Pulmonary Artery carry oxygenated or deoxygenated blood?
Deoxygenated (Venous) blood
Which type of blood cells helps the body fight infections and diseases?
White blood cells (Leukocytes)