Answer: red blood cells
Explanation:
Hemoglobin, iron-containing protein in the blood of many animals—in the red blood cells (erythrocytes) of vertebrates—that transports oxygen to the tissues
Answer:
They are both very important. A person cannot without either of them.
Explanation:
Answer: to take a look inside and around the ears
Explanation: the dog may have either allergies, bacterial infection, or skin parasites so it is important to check for hot spots that may indicate a bacterial infection