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Mahar ch. 37 bio II
| Question | Answer |
|---|---|
| Function of the Circulatory System | to circulate blood throughout the body |
| Circulatory System | made up of heart, blood vessels and blood |
| Blood | carries oxygen |
| Myocardium | thick layer of muscle in the heart |
| Pulmonary Circulation | type of circulation when the heart pumps blood from the heart to the lungs |
| Systemic Circulation | type of circulation when the heart blood to the body |
| Atrium | upper chamber of heart that fills up with blood |
| Ventricle | lower chamber of heart that pumps blood out of the heart |
| Valve | flaps of tissue that prevent backflow of blood |
| Artery | large vessel that carries oxygen rich AWAY from heart to the body |
| Vein | vessel that returns oxygen poor blood to the heart |
| Capillaries | vessel where oxygen and carbon dioxide are trasnfered |
| Blood Pressure | force of blood on arteries |
| Red Blood Cells | part of blood that transports oxygen |
| Hemoglobin | protein that contains IRON that helps carry oxygen in red blood cells |
| White Blood Cells | part of blood that acts as an army that guard against infection, fight parasites and attack bacteria |
| Platelets | part of blood that helps with blood clotting |
| Plasma | part of blood made up of water nutrients, enzymes,proteins, hormones and waste |
| Lymphatic System | vessels, nodes and organs that collect fluid lost by blood and returns it to the circulatory system |
| Lymph | fluid in lymphatic system |
| Parts of the lymphatic system | spleen, lymph nodes lymphocytes |
| Respiratory system | System that takes in oxygen and gives off Carbon Dioxide and organs include nose, mouth, pharynx, trachea, lung, bronchioles, alveoli |
| Pharynx | throat |
| Trachea | windpipe that air moves down |
| Bronchi and Bronchioles | branches to the lung thatlead to to the alveoli |
| Alveoli | place in the lungs where oxygen and carbon dioxide transfer in and out of the blood |
| Diaphram | muscle in your stomach that helps inflate and deflate lungs |