Answer: You can consult:
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.
Explanation:
I'm not sure but hope it helps.
Answer and Explanation:
Nutrients move from the digestive system into the blood by traveling through villi, tiny tubes sticking out of the wall of the small intestine.
2. In the body's excretory system, urea and water travel from the blood into the kidneys and diffuse into collecting ducts
Explanation:
a microscope with high magnification and resolution, employing electron beams in place of light and using electron lenses.
Answer:
O GACTTA
Explanation:
this is the compkementary strand
the answer A, steroids ; separate the cytoplasm from the environment
