Answer:
They protect you against illness and disease. Think of white blood cells as your immunity cells. In a sense, they are always at war. They flow through your bloodstream to fight viruses, bacteria, and other foreign invaders that threaten your health.
Answer:yes of course if we don’t the environment will die and undiscovered animals will become extinct and we can’t discover them till it’s too late and those polar bears are on thin ice and it’s not fair to them that they have to suffer for our choices
Explanation:
Answer:
The frequency of the carriers (heterozygotes) in Massachusetts is 0.018
Explanation:
Due to technical problems, you will find the complete explanation in the attached files
Answer:
Explanation:
It is called a double circulatory system because blood passes through the heart twice per circuit. The right pump sends deoxygenated blood to the lungs where it becomes oxygenated and returns back to the heart. The left pump sends the newly oxygenated blood around the body.