Answer:
a. sighing.
b. concentrates on feelings of warmth and heaviness
Explanation:
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:
Bone is a type of mineralized connective tissue that contains collagen and calcium phosphate, a mineral crystal. Calcium phosphate gives bone its firmness. There are two types of bone tissue: spongy and compact.
Explanation:
Answer:
it's the first option
Explanation:
you can't just make any conclusions with that information maybe ther are a lot more things behind that info