<span>A mother's special speech to her baby, sometimes referred to as"parentese" may:
</span>b.help the infant become aware and hold his attention
In the first empty box I would state that the neurotransmitters cause the smooth muscles in the vessel to relax and expand.
In the last empty box I would state that the Blood pressure rises.
Explanation:
Neurotransmitters can effect the blood vessels in both ways.
When vessels get narrow more pressure is needed: Blood Pressure increases.
When vessels expand less pressure is needed: Blood Pressure Decreases
Answer:
The correct answer is a. scurvy
Explanation:
Scurvy is a deficiency disease which is caused by the deficiency of vitamin C. James Lind in the 18th century discovered that citrus fruit prevents scurvy and can help in curing the scurvy. Scurvy was the main cause of death in sailors during long-distance sea travells.
Citrus fruits have plenty of vitamin C which is required for in variety of biosynthetic pathway and lack of vitamin-C cause weakness, gum disease, anemia, and skin problems. So eating citrus fruits prevents scurvy.
If you are asking which cannot be cured, then it is the viral STIs that cannot be cured but can be treated.