Answer:
B
Explanation:
because before you can feel pain your nerves have to sense it
The answer is a. acrophobia
By the way please mark brainliest
Answer:
Ryan has a scar on his leg
Explanation:
You can't be sure by looking at them if it's true on the othe choices. You can't tell when someone's skin itches, or has a headache, or is worried about getting a cold. They could be making it up. But you can see that Ryan has a scar on his leg.
This is possible. Namely, the o<span>ptic nerve transmits visual information from eyes to the brain. But, in some situations, the optic nerve may be damaged. So, eyes are completely normal regarding their structure and function, but the optic nerve cannot transmit information to the brain. Since brain does not receive any information from the eyes, the person is considered blind.</span>
bone marrow <span>contains hematopoietic stem cells, which give rise to the three classes of blood cells that are found in the circulation: white blood cells (leukocytes), red blood cells (erythrocytes), and platelets (thrombocytes)</span>