Explain the role of Calcium(Ca+) in askeletal muscle contraction. Role of calcium { Ca++}: By BONDING to the TROPONIN it causes the TROPOMYOSIN to MOVE from its blocking position on the active sites on the actin filaments SO the CROSS BRIDGES CAN ATTACH.
Push-ups can increase your muscles in your shoulders, chest, and possibly your core(the middle section of your body).
The correct answer would be lead paint. Even though there has been a decline in the amount of lead based paint that is used nowadays, still the largest source of lead poisoning in children in America comes from dust and chips from deteriorating lead paint on the inside walls of their homes and schools.
separated by the mediastinum
