Blood
This type of cell is the most numerous type of cell found in blood.
What are red blood cells?
This type of blood pressure refers to the top number in a blood pressure reading. For example: 120 in 120/80.
What is systolic blood pressure.
The bottom (inferior) chambers of the heart are known as these.
What are the left and right ventricles.
This disease has no symptoms, and has been called "the silent killer" because of this.
What is hypertension (high blood pressure)
These are the only known birds that can also fly backwards.
What are hummingbirds?
This is another word for white blood cells.
What is leukocytes?
In most cases, these blood vessels carry oxygenated blood away from the heart and to the body.
What are arteries?
This is the purpose of valves in the heart.
What is preventing backflow of blood?
This inherited disorder occurs when red blood cells develop an abnormal shape and can clump together and block tiny blood vessels.
What is Sickle Cell Disease?
This is the top speed of a cheetah (within 5 mph).
What is 75 mph?
This component of blood is the fluid portion.
What is plasma?
These are the smallest of blood vessels. They can be as small as one cell wide.
What are capillaries?
In the heart, the mixing of oxygen-rich and oxygen-poor blood is prevented by this structure.
What is the septum?
Symptoms of this event include:
What is a myocardial infarction (heart attack)?
This extinct shark grew to 80-100 feet long.
What is a megalodon?
This type of blood cell fights infections.
What are white blood cells?
This vein is different from other veins because it carries oxygenated blood.
What is the pulmonary vein?
This chamber of the heart houses the sinoatrial node (aka the pacemaker)
The Right Atrium
This inherited disorder occurs when there are not enough clotting proteins in blood to stop bleeding.
What is hemophilia?
This animal's head must be upside down when it eats.
What is a flamingo?
This component of blood is shaped like a broken disc and helps with clotting and healing.
What are platelets?
When compared to the walls of arteries, the walls of veins can be described with this word.
What is thinner?
This is where blood flows after entering the right atrium.
What is the right ventricle?
This chronic inflammatory disease of the arteries is the underlying cause of about 50% of all deaths in westernized society.
These popular pets can't taste sweet things. However, while they lack the receptor for sweetness, they can taste things that we humans can't, for instance, adenosine triphosphate (ATP), the compound that supplies the energy in every living cell.
What are cats?