The organ in the respiratory system that expands to breathe in oxygen and contracts to breathe out carbon dioxide.
What are the lungs?
The endocrine system does this when the brain signals them in response to stimuli.
What is hormone production?
This system helps you to digest the food you eat.
What is the digestive system?
Cells in the nervous system that control motor functions like movement and speaking.
What are motor neurons?
Two systems that help with movement of the body.
What are the skeletal and muscular systems?
The organ in the Circulatory System that pumps blood around the body.
What is the heart?
What the stomach does to break down the food with the acid inside of it.
What is digestion?
System that transfers signals around the body to control its actions.
What is the nervous system?
Cells in the respiratory system that transport oxygen throughout the body and then back to the heart.
What are red blood cells?
Both systems share the pharynx as an organ.
What are the digestive and respiratory systems?
The organ in the endocrine system that releases thyroid hormones to regulate metabolism and growth.
What is the thyroid gland?
The esophagus does this to continue the digestive process to the next step.
What is transporting food to the stomach?
This system functions in gas exchange and helps us to breathe.
What is the respiratory system?
Cells of the immune system that reside in the blood and attack foreign bacteria and viruses.
What are white blood cells?
Both systems get rid of waste from within the body.
What are the digestive and excretory systems?
The female organ in the reproductive system where the embryo develops.
What is the uterus?
The kidneys do this to remove waste from the blood and produce urine.
What is filtration?
System composed of cells that fight against foreign bacteria, viruses, and substances within the body.
What is the immune system?
Cells in the blood that come together to form scabs and blood clots to stop excessive bleeding.
What are platelets?
One system sends signals through neurons to another system to start hormone production.
What are the nervous and endocrine systems?
The organ in the digestive system that digested nutrients inside of it are absorbed from.
What is the small intestine?
Lymph nodes sometimes do this in response to an infection or disease, causing big bumps on the body.
What is swelling?
System that is part of the immune system and includes lymph nodes and lymphatic vessels.
What is the lymphatic system?
Group of cells that produce bone marrow and can become any type of blood cell.
What are stem cells?
The two body systems involved with the formation of blood cells.
What are the circulatory and skeletal systems?