An exchange of respiratory gases between an organism and its environment.
Houses the genetic code; the powerhouse of the cell.
What is the nucleus?
A compound contain carbon, hydrogen, and oxygen.
What is a carbohydrate?
The type of tissue found in almost every organ in the body.
What is connective tissue?
The steps of an experiment to come to a conclusion.
What is the Scientific Method?
Serves as the boundary of the cell.
What is the plasma membrane?
Deoxyribonucleic acid present in almost all living organisms.
What is DNA?
The tissue that makes up the walls of the heart.
What is cardiac muscle tissue?
A disease that can be passed from one person to another.
What is a communicable disease?
This protects, regulates temperature, and enables sensation.
What is skin?
The fibers that hold the cell structure together.
What are microfilaments?
The category that adenine and guanine are in.
What are purines?
Membranous epithelium and glandular epithelium are two types of ____ tissue.
What is epithelial?
Mechanisms that operate at cell level.
What is intracellular control?
Process by which food products are broken down into simpler substances.
What is digestion?
The gel-like internal substance of the cell.
What is the cytosol?
The four elements that make a protein.
What are Carbon, Oxygen, Hydrogen, and Nitrogen?
When a tissue contains no blood vessels.
What is avascular?
This system supports and protects the internal environment.
The three major body planes.
What are the sagittal, frontal, and transversal planes?
A theory stating that the eukaryotes evolved through a process whereby different types of free-living prokaryotes became incorporated inside larger prokaryotic cells and eventually developed into mitochondria, chloroplasts, and possibly other organelles.
What is the endosymbiont theory?
The most abundant lipid, otherwise known as fat.
What is a triglyceride?
Resides in the ECM (extracellular matrix), and is the ingredient imperative to firm tissue, especially in skin cells.
What is callogen?
Two things that help intracellular control mechanisms regulate functions within the cell.
What are genes and enzymes?