How does the body respond when a person is lifting heavy weights?

A. Fast-twitch muscle fibers contract quickly to generate force.

B. Fast-twitch muscle fibers contract slowly to deliver oxygen.

C. Slow-twitch muscle fibers contract slowly to deliver oxygen.

D. Slow-twitch muscle fibers contract quickly to generate force.

Which of the following describes the rooting reflex? a. a newborn turns the face toward a touch on the cheek in search of food. b. a newborn will automatically suck on objects placed in the mouth like a bottle. c. newborn immersed in water will display something like movement. d. newborn curls a hand around an object that touches the palm