Typically a heroin addict may inject up to 4 times a day
Answer:
206
Explanation:
No explanation needed.
As you grow older, your bones fuse, so there are less. You are born with around 300 ones at birth though.
The calcium<span> ions then flow into the cytoplasm and bind to the troponin and tropomyosin molecules in the actin filaments of the </span>muscle<span> cells. The binding of </span>calcium allows the troponin to change shape and expose the actin-myosin binding site. this is from this site:https://www.reference.com/science/role-calcium-muscle-contractions-e42334f57f1a7187
Plagiarism is wrong lol so there is is ^^^^
Answer:
Stress negatively affects our digestive system in many ways. It can cause a decrease in blood and oxygen flow to the stomach, cramping, an imbalance in gut bacteria and inflammation.
Explanation:
Hope this helps
-A Helping Friend (mark brainliest pls)
