.The answer to this question is: C. ionic bond
In general, Ion particle are <span>formed when atoms lose or gain electron (when loses electron, ion become positive. When gaining it, ions become negatively charged)
Among the chemical substances, Metal atoms had the positive ions and nonmetal atoms will have negative ions</span>
Answer:
B. Somatic
Explanation:
The peripheral nervous system is comprised of the somatic and autonomic nervous systems. The somatic nervous system transmits sensory and motor signals to and from the central nervous system.
Answer:
There is no such thing as a skull bone. The skull is a flat bone that protects the brain.
Explanation:
The top part of the skull is made up of different pieces of bone that are fused together. You have the Frontal(1), Parietal(2), Temporal(2), Occipital(1), Sphenoid(1), and Ethmoid(1). Then you have the facial bones which make up the bottom part of the entire skull. The facial bones include Zygomatic(2), Maxilla(1), Nasal(1), Lacrimal(2), and Mandible(1).
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Answer:
antibodies
Explanation:
The third line of defense is specific resistance. This system relies on antigens, which are specific substances found in foreign microbes. Most antigens are proteins that serve as the stimulus to produce an immune response. The term "antigen" comes from ANTI-body GENerating substances.
