Air enters the human body through the ..............
nose and lungs
nose and mouth
lungs
All organisms on the earth are connected to one another by a flow of energy.
True
False
..............produce seeds for the plant that help the plant to reproduce
Flowers
Roots
Stomata
................ it is the process of making new plants
Photosynthesis process
seeding
Plant reproduction
During photosynthesis process, light energy of the sun is transformed into ................
chemical energy
thermal energy
physical energy
Plant transport system has one- way vessels
........... it is the system that transports blood and other fluids throughout the body
Respiratory system
Digestive system
Circulatory system
........... return the blood that carries carbon dioxide
Veins
Arteries
............they are organisms that break the dead bodies into simple materials.
Producers
Consumers
Decomposers
Blood moves in .............direction/s in a human's veins or arteries.
only one
two
many
circulatory system in human consists of .............
Blood vessels and lungs
Blood vessels, heart, and lungs
the heart and blood vessels
............. are the reproductive parts of many plants.
Stems
Gases enter plants through the ............
leaves
stems
roots
During photosynthesis process, the plant produces ............
carbon dioxide, salt and water
Carbon dioxide and water
oxygen and water
................Carry blood from the heart to the body cells
Cells