Patrick weighs 250 pounds and is trying to lose weight. he decides to start an exercise program and starts walking (2 mph) for 30 minutes, five days a week. this activity burns 0.044 kcal/kg body weight/minute. how many additional kcal will patrick burn each week with this exercise regime?

Epinephrine is a hormone released from the adrenal gland of the body, most often in a stressful situation. it is known as the "fight-or-flight" hormone. one way that it causes a response in the body is to activate receptors on muscle cells. where are these cellular receptors located? a. on the cell membrane b. in the nucleus c. on the cell wall d. around the mitochondria

What initially causes a nerve impulse? release of enzymes out of the neuron movement of chemicals into the dendrites of the neuron pathogens attacking the dendrites of the neuron red blood cells bathing the neuron

What pattern of migration do whales follow?