The elements carbon, oxygen, hydrogen and nitrogen combined make up about 96% of our bodies (carbon is about 18%). Carbon is necessary for life because it is a(n)

What drives the atp synthase reactions that produce atp

Stem cells found adult tissue such as in bone marrow brain muscle skin and liver are only capable of what

Imagine a person stepping on a pin and pulling his or her foot away. look at the reflex arc of this scenario below. which statement best describes the image? a)the sensory nerve carries the signal from the effector to the interneuron, and the motor neuron carries the signal to the receptor. b)the motor nerve carries the signal from the receptor to the interneuron, and the sensory neuron carries the signal to the effector. c)the sensory nerve carries the signal from the receptor to the interneuron, and the motor neuron carries the signal to the effector. d)the sensory nerve carries the signal from the receptor to the motor neuron, and the interneuron carries the signal to the effector.