Please help on science test

What macromolecule is produced during translation? a. carbohydrate b. rna c. dna d. protein

The nervous system interacts with the endocrine system by a. using hormones as connections b. sending nerve impulses directly to glands c. using neuroendocrine cells as connections d. sending neurotransmitters directly to neurons

What maintain homeostasis when a persons internal body temperature is 97.5°f