Answer:
The stem cells differentiate into chondroblasts. 3. These chondroblasts, located at the periphery of the old cartilage, begin to produce and secrete new cartilage matrix. As a result, they push apart and become chondrocytes, each occupying its own lacuna.
Explanation:
Answer: mineral deposits can not be used as an example of fossil
Explanation:in evolution theory, both bones and footprints were used for fossil record
Methods or procedures that are used to study living things.
Answer:
pulmonary circulation
Explanation:
The pulmonary circulation moves the blood between the lungs and heart. Since the blood carries oxygen the heart pumps it to every body part including the lungs so we can maintain homeostasis.
