Heart Anatomy
What is the muscular organ that pumps blood throughout the body?
The heart
What is the liquid portion of blood called?
Plasma
What type of circulation moves blood between the heart and lungs?
Pulmonary circulation
Which vessels carry blood away from the heart?
Arteries
Which animal has the largest heart of any mammal?
Blue whale
How many chambers does a mammalian heart have?
Four
Which cells carry oxygen in the blood?
Red blood cells
What circulation supplies oxygen-rich blood to the rest of the body?
Systemic circulation
Which vessels carry blood back to the heart?
Veins
How many times does a cow’s heart beat per minute on average?
60–80 times per minute
Which chamber receives oxygen-poor blood from the body?
Right atrium
What part of the blood helps fight infection?
White blood cells
Where does oxygen exchange occur in the lungs?
Capillaries in alveoli
What tiny blood vessels connect arteries and veins?
Capillaries
What color is blood inside the body before it reaches oxygen?
Dark red (not blue)
Which side of the heart pumps blood to the lungs?
Right side
What component helps blood clot?
Platelets
What vessel carries oxygenated blood from the lungs to the heart?
Pulmonary vein
Which blood vessel is the largest artery in the body?
Aorta
How much blood does an adult horse have in its body?
Around 40 liters
What is the name of the valve between the left atrium and left ventricle?
Bicuspid valve
What protein in red blood cells carries oxygen?
Hemoglobin
What part of the heart pumps oxygenated blood to the body?
Left ventricle
Which vessel brings blood to the liver from the digestive organs?
Hepatic portal vein
What organ filters old blood cells from circulation?
Spleen