<span>A light ray is one narrow beam of light traveling in a straight line. </span>It is the most basic element in geometrical optics. <span>A light ray is an idealized and hypothetical model of a light that is used to better explain the propagation of light. In reality, light travels as a wave and can therefore be bent.</span>
Answer:
The correct answer is - intrauterine growth restriction.
Explanation:
Intrauterine growth restriction or IUGR is a condition that occurs during the pregnancy of growth of the fetus in the mother's womb. It is found in women with normal or underweight conditions.
This can result in a baby small for gestational age which is also called SGA which is a case of the weight being below ten percent for the gestational age.
Thus, the correct answer is - intrauterine growth restriction.
A reflex is involuntary however, other actions are voluntary in nature
A reflex action is an involuntary and almost instantaneous movement in response to a stimulus. It usually does not require any thought or input and therefore does not directly involve the brain.
The path taken by the nerve impulses in a reflex action is called a reflex arc. Most reflex arcs involve three neurons. There are two types of reflex arcs namely autonomic reflex arc which involves the inner organs of the body, and somatic reflex arc, which involves muscles.
Porifera
Evidence that supports this includes the lack of true tissue in sponges and the close similarity between choanocytes and choanoflagellates.
Answer:
limbic system
Explanation:
The limbic system is responsible for processing the senses of emotions and memories. limbic system is basically made up of different structures but three of them perform important function related to sense, smell, emotions and memories.
amygdala----is responsible for experiencing of emotion and in tying emotional meaning to our memories
hippocampus--- is an important structure for learning and memory hypothalamus-- regulation of a number of homeostatic processes,