Vitamins help them function as fats.
The blood leaves the lungs and is carried to your heart. As the cells use oxygen , carbon dioxide is produced and absorbed into the blood. Your blood then carries carbon dioxide back to your lungs , where it is removed from the body when you exhale
Genetic variation or Genetic drift
Answer:
Explanation:
Species share a common ancestor
Osteoporosis is <span>a medical condition in which the bones become brittle and fragile from loss of tissue, typically as a result of hormonal changes. </span>Our bones store calcium in addition to providing support for our bodies.
