29.Blood transports _______ from the lungs to the cells throughout the body.
A: oxygen
B: water
C: carbon dioxide
D: plasma
A: oxygen
B: water
C: carbon dioxide
D: plasma
举一反三
- The ( ) side of the heart receives ( ) blood from the body tissues and then pumps this blood to the lungs to pick up oxygen and dispel carbon dioxide. A: left; oxygen-poor B: left; oxygen-rich C: right; oxygen-rich D: right; oxygen-poor
- Your red blood c_______allow oxygen to circulate throughout your body.
- （ ） acts as a pump to maintain a constant circulation to blood throughout the body. A: heart B: kidneys C: lungs D: liver
- Which of the following is True about the heart?____( ). A: The blood is pumped into the right ventricle and to the pulmonary artery to be sent to the lungs where carbon dioxide is removed and oxygen is added. B: The heart is roughly the size of the your fist. C: During the systole, oxygenated is pumped out of the right ventricle into the aorta and from there through the veins to all organs of the body. D: There are four chambers which are made up of several layers of smooth muscles.
- Where is the highest partial pressure of carbon dioxide in the body A: Venous blood B: capillary blood C: arterial blood D: interstitial fluid E: intracellular fluid