Answer:
A typical example of a physical barrier to an infection is the <em>SKIN</em>
Explanation:
The skin is a protective coat that shields the tissue from exposure to physical contact, hence; act as a barrier to infection that would have easily penetrated into the body system. Skin has different layers that achieves this process, the outer layer, middle layer and the inner layer. every layer has its vital role to ensure infections are barred from entering the body through physical means
Answer: If the cell membrane is unable to do its job properly, this can cause the cell to stop working properly. If many cells have bad cell membranes, the disease can affect an entire organ or even the whole body. In many of these cell membrane diseases, proteins within the cell membrane don't transport materials properly. Without the cell membrane, any chemical would be allowed to enter. Membranes are very important because they help protect the cell. Materials move across the membrane by diffusion. Diffusion is the movement of oxygen, nutrients, and other molecules.
Explanation:
Answer:
nuclear
Explanation:
contains only immediate family members
Hypertension. Hypertension is high blood pressure, which has a negative effect on physical health.
Answer:
C.Some people have genes that make it easier for them to become addicted to alcohol.
Explanation:
It's a fact that heredity is linked to alcohol, but this doesn't mean that people with an alcoholic family member is gonna be also an alcohol addict, that's why we cannot generalize, it's all about self decision and probabilities So, the correct answer would be "some people have genes that make it easier for them to become addicted to alcohol.
According to American Addiction Centers, the alcohol use disorder has been linked to specific genes, which means that a parent who has alcohol problems, increases the chances that his sons are gonna have that addictive behaviour too.
