Answer:
B. interconnected
Explanation:
All the systems in our bodies (humans are indeed animals) are connected with each other to create a functional being. The blood flows throughout the body, providing nutrients; the bones support the structure and protect the heart and lungs. They work together.
Why not A: The systems are all completely necessary. There's nothing extraneous in our bodies, because extraneous stuff takes up energy, and our biology is incredibly economical.
Why not B: They're not interchangeable. How would you like your bones to turn to blood? Uh-huh.
Why not D: They interact with each other consistently, so they're not separate or segregated.
<span>from the alveoli. it is a little sac in the lungs.</span>
Answer:
It separates the water that runs toward the Pacific Ocean from the water that runs toward the Atlantic and Arctic Oceans and the Gulf of Mexico.
Answer:
Yes, enzymes can be found in bacteria.
Explanation:
The process is known as proteolysis. Proteolysis occurs at the different rates for the different types of proteins present in the body.
Answer:
D. Maintaining homeostasis is something that needs to be learned