Answer:
Iron is a major component of red blood cells. The oxygen you breathe bonds to the iron in your red blood cells. If you had no iron in your body you would likely die.
The first is (D), the second is also (D)
Answer:
The correct answer is option c. the sympathetic and parasympathetic nervous systems.
Explanation:
The parasympathetic nervous system is the one that controls involuntary functions and acts. It also causes or maintains a body state of rest or relaxation after an effort or to perform important functions such as digestion.
The sympathetic nervous system is the one that controls visceral reactions and reflexes, that is, it controls how our body responds to a threatening situation, as is the case in the example.
Both systems make up the autonomic nervous system which is in charge of controlling the involuntary functions of our body.
I believe the answer is radiometric dating.
False. Offspring could die off from many factors such as disease, lack of food, and predators.
