What is the role of the nervous system in digestion? (1 point) O to provide enzymes
O to provide electrical signals to initiate peristalsis
to provide passage of nutrients throughout the body
O to provide oxygen

How do you transfer mrna into codons ? i'm so confused : (

Blood has traveled from the heart to the toes. which describes the next step of the circulation process?

Darrel conducted an experiment with the following procedure: fill two cups with ice water. place an uninflated balloon snuggly onto your left index finger. blow a little air into an identical balloon, and place it onto your right index finger. place both fingers into the cups of ice water. darrel noticed that his right finger felt warmer in the ice water than did his left finger. which of the following does the experiment show? a. air is a good radiator of heat. b. air is a good insulator of heat. c. air is a good conductor of heat. d. air is a good convector of heat.