Answer:
True
Explanation:
The lymphatic capillaries have the role to drain extracellular fluid, more precisely the interstitial fluid that surrounds cells. Lymph capillaries process the interstitial fluid, collect it together with the white blood cells and form a lymph. Formed lymph is then transported into a lymphatic vessel, which is connected to a lymph node. Lymph is at the end returned to the venous circulation.
Suppose a sand-colored rat lives in the desert. Its cameoflague against the sand helps it survive, but if the desert were covered in ash, its numbers would decrease because it doesn't have cameoflague anymore and can be easily spotted by predators.
Answer:
6.7 minutes
Explanation:
In a solid such as rock, the primary wave can travel at 5 km/sec; it would take 400 seconds, or about 6.7 minutes to travel 2,000 km.
The nervous system<span> is like a highway along which </span>your <span>brain sends and receives information about what is happening in the body and around it. This highway is made up of billions of nerve cells, or neurons (say new-rons) which join together to make </span>nerves<span>. A nerve is a fibre that sends impulses through the body.</span>