The answer is D. The ribs PROTECT the lungs and the heart. They allow you to move and they store minerals such as calcium. However it is the brain and the blood vessels that regulate the body temperature not the skeletal system.
Answer:
It provides the cells with oxygen
Each new dna molecule contains: 50% of the parent dna.
Answer:
b
Explanation:
Chloroplast which is are only found in plant cells and algal. The chloroplast has a very high concentration of chlorophyll. The chloroplast is the cell organelle that produces energy by using photosynthesis.