PLEASEEE I NEED HELP it’s brain pops worksheet Worksheet Identify It
Identify which image is a chromosome and which is a double helix. Then answer the questions below.

What is the difference between the conducting zone and the respiratory zone of the respiratory system? the conducting zone is a series of cavities and tubes that move air to the respiratory zone where gases exchange with the bloodstream. the conducting zone exchanges gases between the lungs and the alveoli and the respiratory zone is a series of cavities and tubes that move air to the conducting zone. the conducting zone moves oxygen into the cells and the respiratory zone takes carbon dioxide away from the cells. the conducting zone moves oxygen into the bloodstream and the respiratory zone takes carbon dioxide away from the bloodstream.

The transport tubes for food coming down the plants are called?

Which kind of worm has a closed circulatory system? a planarian b fluke c pinworm d an earthworm