Answer:
the International Amateur Athletic Federation (IAAF)
Over 2,000 years after the earliest Greek track events, in 1912, the International Amateur Athletic Federation (IAAF) was founded to function as the governing body for track and field sports all over the world. Today, as many as 25 events may be included in a track and field meet.
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Explanation:
Answer:
False
explanation: i found the answer on a flash card website :)
Answer:
Vitamins and minerals helps in the obtaining energy from the foods that we eat. The vitamins and the minerals in the body acts as co-factors which helps in the various metabolic reactions that takes place in the body.
The co-factors helps in the reaction as without co factors chemical reactions cannot takes place in the body.
The food that we eat is broken down inside the body and energy from the food reaches to the cell for their different functions.
Answer:
The correct pathway for oxygen-poor blood is right atrium → right ventricle → pulmonary artery → lungs (first option).
Explanation:
Unoxygenated or oxygen-poor blood is that which comes from tissues that have exchanged O₂ for CO₂. The venous return is in charge of taking that blood to the heart and then to the lungs.
- Oxygen-poor blood reaches the <u>right atrium</u> from the vena cava.
- From the atrium the blood passes to the <u>right ventricle</u> through the tricuspid valve.
- The <u>right ventricle pumps the blood to the lungs</u> through the pulmonary arteries, the only arteries that carry venous blood.
Once in the lungs, the blood exchanges CO₂ for O₂, returning to the heart through the pulmonary veins.
The other options are not correct because:
- <em><u>Left atrium, left ventricle, aorta, body</u></em><em> corresponds to the flow of oxygenated blood that comes from the lungs and is pumped to the entire body.</em>
- <em><u>Left atrium, right atrium, left ventricle, right ventricle</u></em><em> not correspond to the order in which blood flows through the heart.</em>
- <em><u>Right ventricle, right atrium, pulmonary veins, lungs</u></em><em> not correspond to the flow of oxygen-poor blood.</em>
C. AA provides a recovery program for alcoholics
