When you are exercising and you begin to feel hot. explain what is happening to your muscles

In the context of the neural impulse, which of the following is true about the depolarization of neuron membranes?

During endocytosis, cells expel what they don't need take in what they need shrink due to loss of water

Identify the type of energy used in each action. the flexing of an arm muscle: a signal transduction process by a neuron: a ball at the top of a hill: 1. electrical energy 2. mechanical energy 3. gravitational potential energy