Knee flexion exercise is an exercise that involves bending the leg at the knee joint, thereby reducing the gap between the lower leg and upper leg.
The benefit of this exercise includes:
- Helps to strengthens the muscles in the back of the thigh.
- Helps to strengthens the muscles at the hamstrings.
The voluntary action that i may perform after experiencing fatigue from the exercise is to Stand Upright.
The action will helps my lower leg and upper leg to regain normal posture, thereby reducing the muscle tension around my knee.
Learn more about knee flexion exercise here
<em>brainly.com/question/22466488</em>
I believe the correct answer would be <span>variation. The definition of variation in biology means,</span><span> any difference
between cells, individual organisms, or groups of organisms of any
species caused either by genetic differences or by the effect of environmental factors on the expression of the genetic potentials. So i think that organisms can also be classified as variation. Hope this helped. ♥ ☺
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B cells mature in the bone marrow, which is at the core of most bones It recognises invaders by the shape of molecules -antigens- on their surfaces. With the help of T cells, B cells make proteins called antibodies. The antibodies will help your body become aware of intruders.
An abiotic factor is a non living thing
Protons and neutrons. But since the protons outweigh the neutrons. so your answer is d