I personally think it’s carbohydrates
Answer:
C. Critical period.
Explanation:
Critical period:
In developmental biology, ciritical period is also known as sensitive period which is defined as a period or stage of maturation in the organism's lifespan in which nervous system is more sensitive to various environmental stimulus. Means, brain cell connections are more receptive to influence from surrounding environmental factors. Our body's many cruical functions including behavior are established during critical period with irreversible impact.
Sickle cell anemia<span> is the result of a point mutation, a change in just one nucleotide in the gene for hemoglobin. This mutation </span>causes<span> the hemoglobin in red blood cells to distort to a sickle shape when deoxygenated.</span>
Answer:The endocrine system produces hormones that are transported to the target regions by the circulatory system. The Circulatory System delivers oxygen and nutrients in the blood to the surrounding cells to maintain Homeostasis. The blood in the Circulatory System is needed throughout the body so that other systems work properly. Like for instance the Nervous System has the brain, and the brain needs blood to function.
Explanation: