Answer:
The correct answer will be option-B.
Explanation:
The patellar tendon reflex is the kicking movement of the lower leg in response to the tap on patellar cap used to test the L2, L3, and L4 segments of the spinal cord in the body.
The spinal cord interacts with muscles through muscle sensors called muscle spindle which signals after the stretching of the muscle. The signals are sent to the spinal cord through afferent neurons or sensory neurons which starts the reflex action to prevent overstretching of the muscle.
Thus, Option-B is the correct answer.
Answer: Fossils of limb structures provide evidence that ancient and modern tetrapods are related because it backs up the fact that both ancient and modern tetrapods follow the one bone two bone many bone digit pattern. It suggests to how modern and ancient tetrapods have the ancestry which come from early tetrapods.
Hope this helps.... Stay safe and have a great weekend!!!!!! :D
The ventromedial hypothalamus is the part of the brain that
is responsible for hunger, fear, and even the sexual activity. In this problem,
researchers destroyed snippy’s ventromedial hypothalamus, this means that
snippy will not be able to feel hunger, fear and will not be active in sexual
activities.
The 3 zones are t<span>he surface zone, the transition zone, and the deep zone.</span>