Blood 'n' Stuff
Vessels that carry blood away from the heart.
What are arteries?
Chambers that receive blood entering the heart.
What are atria?
This is the large, dome-shaped muscle at the bottom of the chest that helps you inhale and exhale.
What is the diaphragm?
This is the most common way your body’s temperature rises to help "cook" or kill off invading bacteria and viruses.
What is a fever?
This is the liquid waste stored in the bladder before it is eliminated from the body.
What is urine?
This component of blood is responsible for carrying oxygen using a protein called hemoglobin.
What are red blood cells?
Chambers that pump blood from the heart to the rest of the body or to the lungs.
What are ventricles?
Cells that carry oxygen from the lungs to the body.
What are red blood cells?
This is the body’s first line of defense against pathogens, acting as a physical barrier to keep "bugs" out.
What is the skin?
The scientific name for white blood cells.
What are leukocytes?
Cell pieces that start the blood clotting process.
What are platelets?
To prevent blood from flowing backward, the heart uses these "one-way doors" between the atria and ventricles, as well as at the exits of the heart.
What are valves?
This "windpipe" is protected by rings of cartilage and leads from the throat down toward the lungs.
What is the trachea?
This is the name for the exaggerated immune response to a harmless substance, like pollen or peanuts, which the body mistakenly treats as a dangerous invader.
What is an allergy?
The largest artery within the human body.
What is the aorta?
The liquid part of blood
What is plasma?
Blood enters the right atrium through two of these.
What is vena cava?
These tiny, grape-like air sacs are where the actual exchange of oxygen and carbon dioxide takes place in the lungs.
What are alveoli?
This is a weakened or dead version of a pathogen introduced into the body to help the immune system "learn" how to fight it.
What is a vaccine?
The reason why the respiratory system is also considered to be part of the excretory system.
What is carbon dioxide excretion?
These are the smallest blood vessels in the body, where nutrients and gases are exchanged with individual cells.
What are capillaries?
Why cardiac (heart) muscle cells are unique.
What are cells that individually contract but then sync with each other when combined?
This lung is smaller than the other.
What is the left lung?
These Y-shaped proteins are produced by the immune system to lock onto specific antigens on the surface of germs.
What are antibodies?
The strongest chamber of a person's heart.
What is the left ventricle?