I'm going with C. It may be wrong but I think it's C.
D.Elements continuously cycle between the physical environment and living organisms.
Ecosystem is encompassing all the life on earth in the physical environment that supports it. An ecosystem involves both the biological (plants, animals, human beings) and non-biological (land, water, soil, and atmosphere) community which interacts as a system. More importantly, the living things are very dependent on the abiotic community since it cannot survive by itself. Every animal, plant and human needs the primary physiological needs of water, food and shelter provided by the abiotic system. <span> </span>
There are two types of neurons in our legs: motor neuron and sensory neuron. These send and receive messages to and from each other and the brain.
After Ed's accident, he can't move his injured leg since the motor neuron is dysfunctional. The sensory neuron is functional so he can feel his limbs but can't move them since when the sensory neuron sends a message to the motor neuron, it isn't able to deliver the message to the brain to make the leg move. This is why he can still feel his limbs but is not able to move them.
Answer:
The correct answer will be option- Clinical examination
Explanation:
Clinical examination is performed by the medical practitioner in which the practitioner examines the patient for a medical condition based on the physical condition of the patient.
The examination involves the three steps: a history of the patient, examination of the symptoms based on the medical reports and the possible explanation of for the cause.
Since in the given question, the dietician after noticing the physical health assessed the nutrition therefore the doctor is performing the clinical examination.
They form memory cells in which those cells remember the same pathogen for faster antibody production, in aid of future infections.