This organ pumps blood throughout the body
What is the heart?
the main function of the heart
what is to pump blood through the body?
Blood travels from the heart to the lungs to pick up this gas.
what is oxygen?
This type of exercise, such as running or swimming, is great for improving heart health.
What is cardiovascular (or aerobic) exercise?
This is the smallest structural and functional unit of life
What is a cell?
The heart has this many chambers
what is 4?
The heart pumps oxygen-rich blood to the body through these vessels
what are arteries?
The word that relates major veins and arteries in the heart to the lungs
what is pulmonary?
Eating less of this substance, found in salty foods, can help lower blood pressure.
What is sodium?
Plants make their own food through this process
what is photosynthesis?
These two upper chambers of the heart receive blood from the body and lungs
what are the atria?
The heart receives oxygen-poor blood from the body into this side
what is the right side?
the blood vessel that facilitates the exchange of oxygen and carbon dioxide between blood and tissue
what are capillaries?
This is the term for the number of times your heart beats per minute.
This organ system is responsible for transporting oxygen and nutrients throughout the body.
What is the circulatory system?
This valve separates the left atrium from the left ventricle.
what is the mitral valve?
The heart contracts during this phase to pump blood out.
what is systole?
Blood returning to the heart from the body enters this chamber first
What is the right atrium?
Smoking increases your risk of this heart-related condition.
What is heart disease?
This part of the cell is known as the "control center" because it contains DNA.
What is the nucleus?
This artery carries oxygen-rich blood from the heart to the rest of the body.
What is the aorta?
This is the average number of times the heart beats per minute in a resting adult.
What is 60 to 100 beats?
This large vein carries blood from the lower body to the heart.
What is the inferior vena cava?
The type of cholesterol that is considered "good" for your heart.
What is HDL cholesterol?
Animals that have a backbone are classified as these.
What are vertebrates?