In your body to maintain and support the conditions that your cells, tissues,and organs need to function properly. the skin is one of the first defense mechanisms in your immune system.
Answer: You can lift A dumbell one time.
Explanation: Doing this for one or 2 reps can demonstrate musular strength. any more than that is usually endurance. You can do deadlift or any heavy wights to show muscular strength
Crossed extensor reflex action prevents one from falling when your foot catches while walking.
Crossed extensor reflex:
- A withdrawal reflex is the crossed extensor reflex. In the withdrawing limb, the extensors relax while the flexors contract, but in the other limb, the opposite happens.
- Contralateral means that the crossed extensor reflex takes place on the side of the body that is opposite from the stimulus.
- Afferent nerve fiber branches travel from the stimulated side of the body to the opposite side of the spinal cord to cause this response.
- They connect with interneurons there, which then stimulate or inhibit alpha motor neurons to the muscles of the opposing leg.
Learn more about the Reflex action with the help of the given link:
brainly.com/question/17212995
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