What is the main function of the heart?
The main function of the heart is to pump blood around the body, allowing for the transport of oxygen, nutrients, waste products, hormones, and white blood cells.
What are the main components of the heart?
The heart is composed of two atria and two ventricles.
What is the purpose of the atria in the heart?
The primary purpose of the atria is to allow uninterrupted venous blood flow to the heart during ventricular systole.
What is the purpose of the ventricles in the heart?
The purpose of the ventricles is to pump blood to the lungs through the right ventricle and to the rest of the body through the left ventricle.
What is the leading cause of death worldwide?
Coronary artery disease is the leading cause of death worldwide, making up 16% of all deaths.
What is the function of the gallbladder?
The gallbladder stores bile before it is released into the small intestine to help with the digestion of fats.
What is a common disease of the gallbladder?
Gallstones is a common disease in which one or more stones form in the gallbladder or biliary tract.
What are the main systems of the human body?
The main systems of the human body include the circulatory system, digestive system, endocrine system, immune system, integumentary system, lymphatic system, musculoskeletal system, nervous system, and reproductive system.
What is the function of the circulatory system?
The circulatory system propels the circulation of the blood, which serves as a 'transportation system' to transfer oxygen, fuel, nutrients, waste products, immune cells, and signaling molecules from one part of the body to another.
What is the function of the digestive system?
The digestive system converts food into small, nutritional, non-toxic molecules for distribution and absorption into the body.
What is the function of the endocrine system?
The endocrine system produces and releases hormones that regulate various bodily functions and processes.
What is the function of the immune system?
The immune system provides a mechanism for the body to distinguish its own cells and tissues from outside cells and substances and to neutralize or destroy the latter.