Answer:
Human heart is myogenic becoz it have the tendency to generate impulse by itself. The upper right auricle wall of heart has sino atrium node or SN node which helps in generation of impulse without any external stimulus.
Answer:
Only plant cells contain chloroplast and a cell wall.
Chloroplasts: trap energy from the sun to produce food for the plant cell
Cell wall: provides support and protection to the cell membrane.
Hope this helps.
Answer:
photosynthesis is a process by which plants use sunlight,water,and carbon dioxide to create oxygen and energy in the form of sugar
<span>Capitals: </span><span>Sri Jayawardenepura Kotte, <span>Colombo</span></span>
#7 Oxygen and Sugar
#8 False
#10 Yield
