The process of diffusion takes place all over the body. It is a vital process for the body to maintain the environment in which the cells and organs work. For instance when food is digested and the nutrients that are needed for the normal functioning of the cells are released, they are carried around in the bloodstream until they reach a needy cell whereupon the nutrients diffuse from an area of high concentration (blood stream) to an area of low nutrient concentration (the cell). The medicines that we take are also absorbed in the same way and take effect after a process of diffusion .
Answer:
Connective tissues come in a vast variety of forms, yet they typically have in common three characteristic components: cells, large amounts of amorphous ground substance, and protein fibers.
Explanation:
Answer:
8.
Explanation:
Oxygen is one of the most important element present in the environment as well as inside the living organism. The atomic number of the oxygen is eight.
The proton number of an element is equal to the atomic number of that element. The number of proton of an oxygen atom is eight. The number of electron can be lose or gain in the chemical reaction.
Thus, the correct answer is option (c).
Answer:
Some organs are both a source and sink. Leaves are sinks when growing and sources when photosynthesizing. Rhizomes are sinks when growing but become sources in the spring when they provide energy for new growth.
