Answer:
The behaviour of molecules in different phases of matter represents a balance between the kinetic energies of the molecules and the attractive forces between them. All molecules are attracted to each other. ... The molecules are in the solid state. At higher temperatures, the kinetic energy of the molecules is higher.
Explanation:
The correct answer is: 2- Hypertension, or high blood pressure
Hypertension leads to heart failure. Also, as a result of hypertension body tends to retain fluid in order to maintain adequate blood volume. A failing heart is unable to handle that extra fluid, so it is transferred out of the blood vessels and into tissues causing the swelling of extremitets or edema.
In order to float in water, the density of an object has to be less than the density of the water. Since saltwater has a higher density than fresh water, a person will float more in the ocean than they would in a lake
Answer:
To regulate body activities (like growth and immunity) by sending chemical messages
Explanation:
I'm not 100% sure about this, but this seems most likely after a quick internet search.
I hope this helps, but you might want to double-check this.