When a professional baseball player hits a baseball with a wooden bat, which exerts more force: the ball or the bat? a. The bat exerts more force because it is larger.
b. The bat exerts more force because it is swung with both arms, and the ball is c. thrown with only one arm.
d. Both the bat and the ball exert the same amount of force on each other.
e. The ball exerts more force because it is smaller.
f. The bat exerts more force because it is made out of wood.
g. The ball exerts more force because is is moving faster.

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

Which type of bond forms between water moleculesstrong bondhydrogen bondcovalent bondpolar bond

Which of these best describes wde by replicating the chromosomes c) the cytoplasm is divided between the two new daughter cells d) the nucleus opens to allow the chromosomes to enter the cytoplasm