The circulatory system is mainly made up of the heart and the blood vessels. It is closely related to the respiratory system which is primarily made up of the lungs. The digestive system is primarily made up of the gastrointestinal tract. This simply means your mouth, esophagus, stomach, small and large intestines, and rectum up until your anus. All the cells in the human body are kept alive by these systems working together in harmony.
The heart pumps blood throughout the whole body via the blood vessels. Blood, particularly red blood cells (RBC), carry oxygen and nutrients inside of them and release them to the other cells in the body. Oxygen comes from the lungs in the respiratory system every time we breathe in air. Nutrients come from the digestive system after food has been broken down to small components that can be utilized by the cells in the body.
A.Is false so maybe put “Cells are so tiny that you need a microscope in order to see them”
B. True
C. True
D. Eurkaryotes are complex cells where the necleus is the most important part.
E. True
F All living things are made up of one of more cell
Answer: False
Explanation: there are a Varity of viruses that affect plant life such as the mosaic virus which causes discolored splotches on the plants leaves.
ANSWER:
RIGHT ANSWER IS C) OSMOSIS-DIFFUSION.
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Answer:
7.1 and 14 is basic
Explanation:
0 - 6.9 is acidic.
7 is neutral
14 is basic but its not a range.
