You can use this test to practice your knowledge of difficult biological terms that have been discussed during the course. Write the terms next to their corresponding explanations.

Chemistry

An element that is found in bones.
A substance that accelerates chemical reactions in the body. E.g. amylase.
A gas that is released during exhalation.
An energy source that contains only three elements (C, H and O), e.g. glucose.
An energy source that is comprised of amino acids. .
A vitamin that is needed in blood coagulation. Vitamin .
Fat-soluble elements such as mercury and cadmium that can sometimes be amassed in the human body.

Physiology and anatomy

The part of the bone where blood cells are formed.
The beginning of the small intestine.
A structure of the small intestine that multiplies the surface area of the digestive tract.
A respiratory muscle located below the lungs.
An extension of the trachea that transports air into the lungs.
A molecule of the red blood cell that joins together with oxygen molecules.
A blood cell that is central in treating wounds.
The largest artery of the human body.
The small functional structure of a kidney that produces urea.
A substance produced by the liver used to break down fats.
The part of the brain that secretes melatonin.
The place where two nerve cells communicate with each other via neurotransmitter chemicals.
A cell type found in the eye's retina that distinguishes colors.

Cell biology and genetics

The chromosome molecule.
A gene form.
A change in the genetic make-up.
The part of a nerve cell that identifies and reacts to different stimuli.
The organelle of the cell where cell respiration takes place .