Answer:
Floating ribs
Explanation:
The thoracic cavity has 12 pairs of ribs evenly distributed on the left and the right sides of the cavity that function to provide surface area for muscle attachment such as the intercoatal muscles that assist in breathing. The ribs are flat shaped bones semi circular in shape attaching to the thoracic vertabrae with a wider. The first to the tenth ribs are linked to the sternum by a cartilage to assist in their epansion and relaxation during breathing. The 11th and 12th ribs have no cartilage that can attach them to the sternum and hence are called floating ribs.
Answer: Cell dependent antibody responses; cell-mediated immune responses
Explanation: We know that this is an immune deficiency, so it has to do with something in the immune system and its immune cells. The cells of the immune system help to make sure things travel safely as well as the antibodies they produce.
The correct answer is without a doubt C
<h2>Increased Human Population</h2>
Explanation:
- Earth's human population is developing rapidly, to the degree that some stress over the capacity of the world's condition to continue this populace, as long haul exponential development conveys the potential dangers of starvation, malady, and enormous scope passing
- Although people have increased the carrying capacity of their condition, the advancements used to accomplish this change have made phenomenal changes in Earth's condition, adjusting environments to where some might be at risk for breakdown. The consumption of the ozone layer, disintegration because of the corrosive downpour, and harm from worldwide environmental change are brought about by human exercises
- A definitive impact of these progressions on our conveying limit is obscure. As some point out, all things considered, the negative impacts of expanding conveying limit will exceed the positive ones—the conveying limit of the world for people may really decrease
