This blood vessel type carries blood away from the heart.
What are arteries?
This chamber pumps oxygenated blood to the whole body.
What is the left ventricle?
This term describes abnormal heart rhythms.
What are arrhythmias?
These cells help fight infection.
What are leukocytes (white blood cells)?
This is the smooth inner lining of the heart.
What is the endocardium?
This type of blood vessel is the smallest and exchanges gases and nutrients with cells.
What are capillaries?
This valve is between the left ventricle and the aorta.
What is the aortic valve?
This phase of the heartbeat is when the heart relaxes and fills with blood.
What is diastole?
These are also known as platelets and help blood clot.
What are thrombocytes?
This double-layered membrane surrounds and protects the heart.
What is the pericardium?
This chamber of the heart receives blood from the body.
What is the right atrium?
This valve is between the right atrium and right ventricle.
What is the tricuspid valve?
This phase of the heartbeat is when the heart contracts and pumps blood.
What is systole?
This liquid part of blood carries nutrients, hormones, and waste.
What is plasma?
This is the wall that separates the left and right sides of the heart.
What is the septum?
This chamber pumps blood to the lungs.
What is the right ventricle?
This valve is between the left atrium and left ventricle.
What is the mitral valve?
These blood cells carry oxygen around the body.
What are erythrocytes (red blood cells)?
This organ works as the pump of the circulatory system.
What is the heart?
This blood vessel type carries blood toward the heart.
What are veins?
This chamber receives blood from the lungs.v
What is the left atrium?
This valve controls blood flow from the right ventricle into the pulmonary artery.
What is the pulmonary valve?
This iron-containing protein carries oxygen.
What is hemoglobin?
This is the thick, muscular middle layer of the heart wall.
What is myocardium?
This system transports blood, oxygen, nutrients, and wastes through the body.
What is the circulatory system?