Answer:
. A. Look at the microscopic structure of a tumor. = Anatomy
B.Measuring respiratory rate during sleep.= Physiology
C. Measuring blood pressure during exercise. = Physiology
D. Observe a lesion to see if the border is irregular. = Anatomy
Explanation:
Instead of cross-pollinating two plants and producing a hybrid seed, grafted plants use the roots and the bottom portion of one plant (rootstock) and attach it to a tender shoot (scion) from the top portion of another plant
1. Rhythm generators (SA node)
2. Conductive cells (node cells)
3. Contractile cells (myocardial cells)