Answer:
protons and neutrons
Explanation:
Protons and neutrons have a positive and neutral charge, respectively. They are in the nucleus, while the negative electrons orbit the nucleus.
Answer:
Primary lymphoid organs: These organs include the bone marrow and the thymus. They create special immune system cells called lymphocytes. Secondary lymphoid organs: These organs include the lymph nodes, the spleen, the tonsils and certain tissue in various mucous membrane layers in the body (for instance in the bowel)
Explanation:
hope this helps
D. Density increases is the correct answer!
I think it’s (d) I’m really sorry if I’m wrong
Cardiovascular Diseases refers to a group of illnesses, disorders and in some cases serious abnormalities that affect the heart and blood vessels.
