True..........................
Answer:
Two tests you can do at home to test your cardiovascular fitness and respiratory systems are Lunges and Pushups.
Answer:
<em>When your organs don't receive enough blood, they begin to </em><em><u>stop functioning properly.</u></em>
<em>Explanation:</em>
<em>If your organs do not get enough</em><em> blood</em><em>, your organs are not receiving enough </em><em>oxygen </em><em>as blood transports oxygen to different parts of the body.</em>
<em>So they fail to function properly.</em>
<em />
<em>hope this helps</em>
<em>and ur welcm</em>
<em>:D</em>
"Digestion begins outside the cells" is the statement among the following choices given in the question that is <span>true for both incomplete and complete digestive systems. The correct option among all the options that are given in the question is the second option or option "B". I hope the answer helped you.</span>
Veins are an important part of our circulatory system. They are responsible for returning deoxygenated blood back to the heart after arteries carry blood out. The vena cava is the largest vein in the body. Veins have much thinner walls than arteries.