Answer:
Blood cells are a lot smaller than nerve cells and have a disc-shaped structure, both great traits for moving quickly through small spaces. Their disc shape also provides them with a big surface where lots of oxygen can enter the cell.
hope it helps
Answer:
A scientific hypothesis can become a theory if the hypothesis is tested extensively and competing hypotheses are eliminated.
Explanation:
So yeah if you have a lot of evidence and it is tested mutiple times it consider a theory.
i think its a hidden virus i hope this helps
Answer:
A
Explanation:
I did this stuff last year and im 80% sure of it :D
During digestion, your pancreas makes pancreatic juices called enzymes. These enzymes break down sugars, fats, and starches. Your pancreas also helps your digestive system by making hormones. These are chemical messengers that travel through your blood.
Explanation:
