week 11 lyndsays cards

malfunctioning heart valves which cause abnormal sounds as blood leaks the wrong way through them

Superior and Inferior vena cava bring deoxygenated blood into the heart at the right atrium. When the atrial pressure is greater than the ventrical pressure the AV valve oepns and blood flows into the right ventricle. Once the right ventricle fills up, it contracts and the blood flows up the pulmonary artery to the lungs and gets oxygegnated. Oxygenated blood comes through the plumonary vein into left atrium.

carries blood from the shoulders and up into the heart

carries blood from the part of the body below the heart into the heart

carry blood away from the heart - always oxygenated (except for the pulmonary artery)

only vein that carreis oxygenated blood

when left atrium is full of blood from the lung via the pulmonary artery it is pumped throught the mitral valve into the left ventricle. From the left ventricle it is pumped through the semi lunar valve into the aorta.

largest artery in the body, travels from heart to abdomen. Above the diaphragm is called thoracic aorta, below the diaphragm called abdominal aorta - branches off to everywhere.

a measure of the pressue against the arterial wall of the ventricular contraction and the ventricular relaxation

contract or relax to regulate the flow of blood to specific parts of the body. have a smooth muscle coating around their walls so they can constrict to push blood up or constict to decrease flow. ie in case of injury

collect blood from the capillaries and return it to the heart. pressure in veins is very low.

result when the veins contain fulty valves which do not allow the efficient return of lbood to the heart.

consists of a single layer of cells presenting only a thin barrier to the diffusion of materials between the blood and the cells in the surrounding tissue.

tissue fluid that moves through the lymphatic system

a swelling of tissue due to a build up of lymph or increased capillary permeability as result of injury

the plasma that diffuses through the capillary walls to bath the tissue

located between the ribs, aids in inhalation.

is accomplished by the chest wall and diaphragm simply relaxing and returning to normal positions

organ system responsible for the processing and distribution of nutrients

consists of mechanical processing, chemical processing and nutrient uptake

chewing to grind food particles into small pieces and increase their surface area and adding water to the food to further disperse the particles and provide the watery environment needed for the chemical processing

food you out in your mouth, formed by the tongue and moved to the back of the oral cavity for swallowing

flap of issue that covers the opening to the trachea during swallowing preventing food from entering the trachea

added to the food in the stomach containing enxymes and hydrochloric acid. has a low, very acid ph of 2