(1) normally harmless cat antigens stimulated
<span>the immune system</span>
The biceps and triceps muscles work together to allow you to bend and straighten your elbow. When you want to bend your elbow, your biceps muscle contracts (Figure below), and, at the same time, the triceps muscle relaxes. The biceps is the flexor, and the triceps is the extensor of your elbow joint.
the geosphere describes all of the rocks, minerals and ground that are found on and in Earth. This includes all of the mountains on the surface, as well as all of the liquid rock in the mantle below us and the minerals and metals of the outer and inner cores. The continents, the ocean floor, all of the rocks on the surface, and all of the sand in the deserts are all considered part of the geosphere. Basically, if it looks like solid ground, it's part of the 'ground' sphere.
thats all that i obtain S:
Answer:
what is your big questions
The correct answer is cell wall. The cell wall is a tough and flexible layer that surrounds plant cells, as well as some algal and bacterial cells. The cell wall is rigid enough because of its components; cellulose, in which is used for both protection and structure.
