Answer:
Concentric muscle contraction (shortening): In weight training, this is the lifting phase of an exercise. ...
Eccentric muscle contraction (lengthening): In weight training, this is the phase in which the muscle returns to the starting position of the exercise.
our muscles are made of bundles of muscle fibers that contain thousands of smaller structures called myofibrils, where the actual contraction occurs. There are two types of protein filaments within myofibrils—actin and myosin. Actin forms thin filaments. Myosin forms thick filaments and is a "molecular motor" that converts chemical energy into mechanical energy, which creates force and drives motion.
Explanation:
Scar tissue can get hurt only in th elungs smoking does not affect scar tissue in you eyes but it hurts your lungs and just really tbh think of it as lung cancer from smoking so it hurts the lungs
Answer:
I might be influenced by them.
Explanation:
Usually, people who bully others online or face-to-face are people who is bullied before, and they cannot help themselves. I might also get bullied or harassed, then I will be a bully too. It is just like a virus, or a forest fire. It justs starts with one little problem, then it grows.
Answer:
They block sperm from reaching an egg.
Explanation:
Unlike the traditional birth control pill, the mini-pill has only the hormone, progestin. Taken daily, the mini-pill thickens cervical mucus and prevents the sperm from reaching the egg.