Asthma is a condition in which a persons airway becomes inflamed and produces extra mucus. One of the symptoms of an asthma attack is hyperventilation or rapid breathing. Review the image and explain why asthma would cause this symptom

Match the following terms describing electrical events with the correct phases of the cardiac cycle. the ventricular muscle cells depolarize at the start of this phase. during this phase, na+ entry through the funny channels causes the pacemaker potential of sa nodal cells to gradually become less negative until it reaches threshold. the ventricular muscle cells repolarize right before this phase. the cytosolic concentration of calcium in the contractile cells of the ventricle is highest during this phase. a. isovolumetric relaxation b. ventricular ejection c. isovolumetric contraction d. ventricular filling

18. which statement about cancer is true?

In the ocean why are the greatest amount of primary producers found in the epipelagic zone and how does that affect biodiversity