Answer: Osmosis is the spontaneous net movement of solvent molecules through a selectively permeable membrane into a region of higher solute concentration, in the direction that tends to equalize the solute concentrations on the two sides.
Explanation:
An ultrasound uses sound waves to produce images of a baby.
Answer: D. magnesium
Explanation:
Chlorosis is a condition in which the leaves of the green plants do not have enough nutrients so as to synthesize the chlorophyll to keep the leaves green. Thus the leaves loose their color. The loss of chlorophyll from the older leaves is the characteristic feature of magnesium deficiency. It happens when the soil in which the plants are growing lacks magnesium.
Answer:
These mice have lack of hormones that regulates the concentration of glucose in the body.
Explanation:
The body of these mice produced less or no adrenaline hormone that is responsible for the increase of glucose in the blood due to which blood glucose drops dangerously. If these mice has that adrenaline hormone and it works properly so blood glucose does not drops dangerously in these mice so we can say that lack of adrenaline hormone is responsible for this problem.
Answer:
Excitement
Explanation:
Sympathetic nervous system is a type of autonomic nervous system that acts as an emergency system of the body.
Sympathetic nervous system prepares the body during fight and flight response. The energy is put out in this system and protects the body from the injury. During excitement the heart speeds up, blood pressure increases and more energy is available to the body. Hence, excitement is the characteristic of sympathetic division of nervous system.
Thus, the correct answer is option (b).
