Blood pressure is the measure of force of blood pushing against blood vessel walls. High blood pressure which is also called hypertension refers to a blood pressure that is abnormally high.
There are many factors that contribute to hypertension. These include:
1. Smoking
2. Being overweight or obese
3. Too much salt in diet
4. Too much alcohol consumption
5. Stress
6. Lack of physical activity
7. Older age
8. Family history of high blood pressure.
9. Sleep apnea
10. Family history of high blood pressure
11. Adrenal and thyroid disorders.
Answer:
C
Explanation:
Swollen lymph nodes usually indicate a common infection, but they can also signal a medical condition, such as an immune disorder or, rarely, a type of cancer. Lymph nodes are small, round structures that play a vital role in the body's immune system.
Answer:
the first and the third ones are parallel circuits
Explanation:
A parallel circuit is one that has two or more paths for the electricity to flow, the loads are parallel to each other.
Whereas a change that causes change in chemical composition of a substance is known as chemical change. For example, A new substance is always formed in a chemical change. Thus, we can conclude that the definition a chemical change produces a new substance by breaking and forming new bonds, is correct.
Answer:
C. They self-fertilize
Explanation:
A is wrong: they are diploid
B is wrong: it definitely has chromosomes
D is wrong: since it has chromosomes it can potentially have recessive traits