Answer:
the cell membrane
Explanation: Cell membrane protects animals cells from harmful chemicals. Explanation: The cell membrane is a tough covering composed of the phospholipids and proteins and forms a bilayer around the cells
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You use it by first making a observation, second ask questions, third do background research, and fourth form a hypothesis
Activity can help prevent heart disease and stroke by strengthening your heart muscle, lowering your blood pressure, raising your high-density lipoprotein (HDL) levels (good cholesterol) and lowering low-density lipoprotein (LDL) levels (bad cholesterol), improving blood flow. and your hearts over all function
Green plants, mice, snake, and hawk.
B - biomedical therapy relies on drugs and medical procedures to improve psychological functioning. This is a type of therapy which involves giving different drug treatments to the patients with the hope of improving their psychological funcitoning.