Cell Structure
Definition of a cell.
What is the smallest, functional unit of a living organism?
Definition of a tissue.
What is a group of specialized cells?
The function of the heart.
What is to pump blood and oxygen around the body and deliver waste products (carbon dioxide) back to the lungs to be removed?
The function of the immune system.
What is to prevent and defend the body against infections?
When the flow of blood to the heart is severely reduced or blocked, it causes a _____________.
What is a heart attack?
This organelle is the powerhouse of the cell.
What is the mitochondria?
An example of epithelial tissue in the human body.
What is skin?
The names of all 4 valves of the heart.
What are the tricuspid valve, pulmonary valve, bicuspid/mitral valve, and aortic valve?
Definition of an antigen.
A type of cancer of the blood.
The process by which light energy is captured and used to convert water, carbon dioxide, and minerals into oxygen and energy-rich organic compounds.
What is photosynthesis?
This organ system comprises the lungs, trachea, and diaphragm and is responsible for gas exchange.
What is the respiratory system?
Leukocytes are also known as _________.
What are white blood cells?
B cells produce ________ as a response to a pathogen.
What are antibodies?
Definition of thrombocytosis.
What is a high platelet count?
This organelle helps process and package proteins and lipid molecules, especially proteins destined for export from the cell.
What is the Golgi body/apparatus?
The brain and spinal cord are an example of ____________ tissue.
What is nervous tissue?
The function of platelets.
What is to prevent and stop bleeding?
The process by which this cell engulfs or swallows the pathogen.
What is phagocytosis?
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The movement of water molecules from a solution with a high concentration to a solution with a lower concentration of water molecules, through a cell's partially permeable membrane.
What is osmosis?
The three types of muscular tissue in the human body.
What is skeletal, cardiac, and elongated?
The function of hemoglobin.
What is to transport oxygen on red blood cells through the blood?
The two types of T cells.
What are T helper cells and T killer cells?
A disease in which the mutated form of hemoglobin distorts the red blood cells into a crescent shape at low oxygen levels and leads to increased chances of strokes, heart attacks, and other infections.
What is sickle cell disease?