Dugesia possess a central tubular digestive tract and this has three branches. These branches consist of ceca, which deliver nutrients to the body.
Flashcards or memorizing like saying the sentence, picking out a key word like ''green'', and then reciting it will help. Like yellow and blue make _____. Do this until you can remember it in the back of your mind. many study tips are posted on the internet! The limbic system in your brain is actually what stores memory.
Explanation:
No .because virus is molecule.
anti=against
bio=living
organ system is formed from the organs supporting each other process.
because they lost the connection.
immue system.
photosynthesis.
Answer:
Blood leaves the heart through the pulmonic valve, into the pulmonary artery, and to the lungs. Blood leaves the heart through the aortic valve, into the aorta, and to the body. This pattern is repeated, causing blood to flow continuously to the heart, lungs, and body.
Explanation:
Because we learn over time how things work and how they don't work.
