Abeka Biology Study guides, Class notes & Summaries

One of the two proteins that give the skin its ability to stretch collagen tough, flexible, waterproof protein found in hair and nails keratin

What is the muscular layer of the heart ? myocardium What is the flow of blood from the digestive organs to the liver called ? portal circulation What is the heart's natural pacemaker ? sinoatrial node What is an abnormal rushing or blowing sound produced by valve damage ? heart murmur

The dangerous condition that results when a person loses too much blood and his blood pressure falls to a critical low is shock About 55 % of the blood volume is a liquid called plasma Red blood cells are produced in the bone marrow The heart, the blood vessels, and the blood they contain compose what system

The disease in which the gums detach from the teeth and the bones supporting the teeth may be destroyed is? periodontitis The tearing teeth that flank the teeth at the front of the mouth are? cuspids The roof of the mouth is the ? palate The exposed part of a tooth is the? crown

MATCHING Energy carrier of the cell ATP General term for any macronutrient characterized by insolubility in water Lipid

person received a serious injury that caused brain damage . As a result , his vision was impaired . Which lobe of the brain is most likely damaged occipital lobe What is the upper portion of the brain that coordinates thought , memory , and learned behaviors ? cerebrum

MULTIPLE CHOICE What term describes a nerve that contains both sensory and motor nerve fibers? Mixed nerve Which is the thick bundle of nerve fibers located within the vertebral column? Spinal cord What is the term for a short, branched extension of a neuron that receives impulses from other

identify Trapezius Identify deltoid Identify pectoralis major

living things have traditionally been grouped into what 2 kingdoms? Plantae and Animalia a group of similar organisms that are all descended from a single group of originally created

The section of a twig between nodes is the Internode The outer section of a woody stem which protects the stem and contains the phloem is called the Bark The older, inner wood of a stem that can no longer conduct sap but serves only as support for the stem Heartwood Alternating patterns in a woody stem consisting of distinct layers of spring wood and summer wood are called annual grow