Compared to arteries, valves have no pulse, have thin walls and have valves that prevent backflow of the blood. The pressure in the veins is less than that of the arteries, hence, there is no pulse. They are nearer to the surface of the skin. It also connects arteries and capillaries which transport blood all throughout the circulatory system.
Answer: ALSO IF YOU DONT HAVE A ACTIVITY SLIDE ( It shows what your doing or makes you do a activity or it can make you do research) FOR THIS YOU MIGHT NOT UNDERSTAND THE ANSWER!
Explanation:
Look at the screenshot and hope this helps! Zoom in the screenshot if needed! ^^
I believe the answer to 11 is that multicellular organisms are made up of multiple cells and unicellular organisms are made up of one cell.
The correct answer would be “All of the Above”
