What is responsible for bringing oxygen-rich blood to the left atrium of the heart? pulmonary veins

left atrium

right ventricle

left ventricle

Melanocytes and keratinocytes work together in protecting the skin from uv damage when keratinocytes a. provide the melanocyte with a protective shield against abrasion b. maintain the appropriate temperature so the product of the melanocyte will not denature c. maintain the appropriate ph in order for the melanocyte to synthesize melanin granules d. accumulate the melanin granules on their superficial portion, forming a uv-blocking pigment layer

Place a check mark in the box to indicate which type of mutation is being shown. super urgent

Fibers from the medial side of each eye cross over to the opposite side of the brain at the