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.
Answer:
Plaque builds up in the artery and makes it hard for blood to flow through, causing less and less blood to flow to the heart, as well as blood clots. The heart muscles become deprived of oxygen.
Explanation:
Answer:
1. breathing; 2. blood flow
Explanation:
Answer:
trauma is a specific event or repeated event that can hurt childhood development
