All you need to look through the human body systems you had in the unit and explain how they make you living, rather than dead. What body systems do you have that make you a living human being.
1. Your Cardiovascular system. It keeps your body and cells supplied with oxygen so they can stay alive.
2. Your nervous system. It allows your body to take outside stimuli and allow your brain to process and react to it.
3. Your Digestive system. It allows you to extract the energy from other living things and use it to power your body.
alpha cells are glucagon and beta cells are insulin
In 1953, he developed a method to make strains of wheat highly resistant to a single form of rust.<span>
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Answer:
when the first homeosapien stood on two legs and walked the earth
Explanation:
history of evolution has always stated that the event was when "we" stood on the earth
C extinction because they need diversity to reproduce
