Abeka Biology Test 5 Latest Update Already Passed

Abeka Biology Test 5 Latest Update Already Passed blood travels from the heart to the lungs through the pulmonary arteries The heart's natural pacemaker is the sinoatrial node The nasal cavity warms and moistens incoming in irregularly shaped pockets or air spaces called the nasal meatuses The movement of blood to and from the kidneys is renal circulation The blood cells that transport oxygen throughout the body are red blood cells The blood cells that protect the body from infections are white blood cells Large blood vessels that carry blood from the body into the right atrium of the heart are the venae cavae The blood protein that helps in the blood clotting process is fibrinogen The left atrium and the left ventricle of the heart are connected by the bicuspid valve Blood leaves the left ventricle through the aortic semilunar valve most cases of lung cancer in the US are caused by cigarette smoking Breathing is controlled primarily by medulla oblongata The tough, white sac that encloses and protects the hearts is the pericardium The muscle layer of the heart is the myocardium The amount of air that is inhaled and exhaled during normal breathing is the tidal volume The iron-containing protein that allows blood cells to transport oxygen is hemoglobin Blood cells are manufactured in the bone marrow Surplus red blood cells are stored in the spleen The blood vessels that supply the heart muscle are the coronary arteries A person's resting blood pressure is 155/95. This indicates a medical condition known as hypertension The blood vessels that carry blood toward the heart veins The movable floor of the thoracic cavity is formed by the diaphragm During inhalation, the ribs and sternum are lifted by the intercostal muscles The two structures within the voice box that produce the sounds of speech are the vocal cords The dividing wall that separates the right and left chambers of the heart is the septum In the lungs, gas exchanges between the air and the blood occur in tiny air sacs called alveoli The large blood vessel through which blood flows