Answer:
In cases of immune system overactivity, the body attacks and damages its own tissues (autoimmune diseases). Immune deficiency diseases decrease the body's ability to fight invaders, causing vulnerability to infections.
Explanation:
Answer:
a. Uninucleate, nonstriated
Explanation:
Smooth muscle tissue is composed of smooth muscle cells that are spindle-shaped with a single nucleus. Smooth muscles line the walls of hollow organs such as urinary bladder, uterus, stomach, intestines but also arteries and veins and the tracts of the respiratory, and reproductive systems. Smooth muscles are under involuntary control, meaning that their contraction is unconscious.
Natural selection can only occur because of a variety in a population. Natural selection refers to environmental factors that affect a population and causes some of the population to have more surviving offspring than others. An example is a giraffe with a longer neck will be more likely to survive and reproduce (as it can gather more food from taller trees)
A eukaryotic cell has a nucleus as well as membrane bound organelles such as the golgi apparatus, endoplasmic reticulum ect.
