Ii. From all other
3. The diagram bellow shows three types of cells found in human blood
B
с
a. Giving a reasons for reach answer, identify the blood cells which.
i.
Transports oxygen around the body
ii. Produces antibodies to destroy bacteria
Engulf and digest bacterial
Prepared by Ali Ahmed Yusuf
Page 4

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

How many chromosomes are in a gold fish?

What causes temperature extremes in the desert