The first trimester is when the embryo attaches to the placenta by the umbilical cord and the placenta make contact with the uterus.
Answer:
how this helps
Explanation:
Stress responses help your body adjust to new situations. Stress can be positive, keeping us alert, motivated and ready to avoid danger. For example, if you have an important test coming up, a stress response might help your body work harder and stay awake longer.What is stress?
Stress is a normal human reaction that happens to everyone. In fact, the human body is designed to experience stress and react to it. When you experience changes or challenges (stressors), your body produces physical and mental responses. That’s stress.
Stress responses help your body adjust to new situations. Stress can be positive, keeping us alert, motivated and ready to avoid danger. For example, if you have an important test coming up, a stress response might help your body work harder and stay awake longer. But stress becomes a problem when stressors continue without relief or periods of relaxation.
Answer:
Fast glycolytic fibers use anaerobic metabolism to produce energy which is used by the muscle for high tension contraction but these muscles fatigue quickly.
- It has amount amount of glycogen and have very quick acting myosin ATPase.
Slow oxidative are known as resistant fibers which generates energy(ATP) by the help of aerobic system.
- It depends on the delivery of oxygen and have red fibers which is smallest of all the fibers.
- It is found in marathon runners and its main function is to maintain posture.
