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 are plants im sure
Answer:
D
Explanation:
Gene pool is the total genetic diversity within a population or species
Yes, because vaccines help prevent diseases whereas antibiotics help cure them. (it’s better to prevent)
