Answer:
Explanation:
Uncontrollable risk factors are those which you cannot influence. While having multiple risk factors can increase your chance of developing cardiovascular disease, having only one does not mean you are 'safe'. Any single risk factor can increase your likelihood of developing CVD.
Answer:
A: The sperm penetrates the egg membrane,and they fuse together.
Explanation:
Hopefully this helps!
The immune system fights off the pathogen by Leukocytes also known as white blood cells. When a pathogen enters the body the immune system becomes alert to it and sends out sends out the Phagocytes (a type of Leukocytes) which engulfs the pathogens.
7000 chemicals. ..........