answer:
this is the cell theory, which was proposed by Theodor Schwann in 1839
explanation:
- in biology, cell theory is the historic scientific theory
- it states that living organisms are made up of cells, they are the basic structural/organizational unit of all organisms and all cells come from pre-existing cells.
Answer:
the first defense the body uses against a virus is mucus
Hamster is smallest, badger is next then bear and then elephant. hope this helps
This causes a phenomenon referred
to as valve regurgitation. This reduces the flow of blood in the blood vessels
and causes a reduction in the oxygenation of tissues of the body. This causes homeostatic signaling by the body resulting
in the exertion
of the heart pumping and increased breathing (heavy breathing). This is why
some of the symptoms include shortness of breath,
fatigue,
and light-headedness.