51, an estimated 51 million people world wide have it
The best answer would be the third option. Extended joints is a possible result of low levels of activity caused by being overweight. Being overweight, adds more pressure on your body parts which could lead to diseases that involve the joints. The most common is arthritis. More weight means more pressure on our joints especially on the lower part of the body.
Answer:
The function of the circulatory system necessary for the respiratory system to complete the exchanges of gases in the body is red blood cells carrying oxygen away from the lungs (option D)
Explanation:
The respiratory and circulatory systems are related because the supply of oxygen (O₂) to the entire body depends on them, in addition to allowing the expulsion of carbon dioxide (CO₂).
The function of the circulatory system that allows gas exchange in the body and contributes to respiratory function are the red blood cells, which carrying O₂ away from the lungs.
<u>Red blood cells or erythrocytes</u> contain a molecule, hemoglobin, which is responsible for transporting O₂ to the body and removing CO₂ from the tissues to be carried to the lungs for expulsion.
The other options are not correct because:
<em> A and B. White blood cells are not in charge of transporting respiratory gases.</em>
<em> A and C. The exchange of gases does not occur directly to the atmosphere.</em>
Answer:
A good workout option for health class would be cardio or yoga.
Explanation: