Humans have approximately 20 000 genes, while they have only 46 Chromosomes - so we see there are a lot more genes than chromosomes and there must be multiple genes per chromosome - <span>B. Every chromosome is made up of many genes.
In fact, we know quite a lot about our chromosomes, but we don't even know how many genes exactly we have!</span>
The answer is A. because it basically forms like a bony cage for the lungs and heart, keeping it safe and protected.
Answer: The blood vessels surrounding your stomach and intestines constrict and the digestive muscles contract. It's that drop in blood flow that makes you feel like winged insects are fluttering around in your stomach.
Explanation:
Answer:
High intake of phosphorus make the bones to be very weak and unhealthy.
Explanation:
When too much of phosphorus is taken, it makes the body to attract alot of calcium from the bones In order to keep a balance on the blood. In doing so, the calcium that is required to strengthen and make the bones strong are lot available and the resultant effect is weak and unhealthy bones.
The symptoms of high intake of phosphorus are muscles pains, muscle weakness, joint pains, itching or red eyes, diahorea, constipation, nausea e.t.c.
Answer:
An autoimmune disease is the result of the immune system attacking its own healthy cells and tissues. An example of this disease is rheumatoid arthritis, which attacks the joints; hence, becoming them to be inflamed.
Explanation:
To counteract this effect, painkillers, steroids, and anti-inflammatory drugs are taken to reduce this inflammation and pain in the joints. Physical therapies and surgeries are also performed to treat this disease.