Answer:
2a.cell and their components
2bcells ....living
2c pre existing cells
3the structural and functional unit of life
4true nucleus .....organells
5 true nucleus ......membrane
Answer:
The cardiovascular system helps maintain homeostasis by continually supplying the central nervous system--the brain and spinal cord--with oxygen and glucose. Brain cells start dying after just one minute without oxygen. The brain is the control center for all of the body's homeostatic processes.
The answer is C. wetlands.
Hope that helped!
Answer:
One right that every American is born with can be the freedom of speech. According to the first Amendment, American citizens are given this right. This right is something that every American is born with because everyone is allowed to express their ideas and opinions, within certain limits. A person's speech can't necessarily be restricted, but there can be consequences for certain things.
