C. reflex also called Autonomic reflex.
Answer:
because humans are wired to have a schedule and when things change even in a good way it causes a change in routine therefore causing stress
Explanation:
Very high iron foods will increase blood cell count
Answer:
A brain ventricle is a cavity in the brain with an open channel leading to it.
Explanation:
The brain and spinal cord are encased and protected by three layers of tissue, all called meninges. The outermost layer is called the dura mater, and covers both the brain and spinal cord. On either side of this layer, where it crosses or penetrates into these organs, are two extensions that look like small tubes coming from under a tent. These extensions are called cranial nerves because they come out on either side of the head just below its most prominent part - hence "cranial".
The answer here is option (D). Any of the above for an extended period of time