Answer:
Forms of passage of substances across the blood–brain barrier. (A) Passive diffusion: fat-soluble substances dissolve in the cell membrane and cross the barrier (e.g., alcohol, nicotine and caffeine). Water-soluble substances such as penicillin have difficulty in getting through.
Answer:
Carbon bonding is not a scientific property of water.
Explanation:
Water has hydrogen bonding in his properties. Water has 2 hydrogen molecule bonding in it and a covalent oxygen bonding in it. The hydrogen bonds include bonding of two water molecules that are polar in nature, whereas, the covalent bonding is a bonding between two atoms of water.
Excessive positive charge is seen around the atom of hydrogen because the molecule is polar. So we can see that there is no carbon bonding in water.
most vegetables are healthy for you and they keep your body working and give you lots of energy trust me I run 3 miles a day
The most common, severe congenital anomalies are heart defects, neural tube defects and Down syndrome. Although congenital anomalies may be the result of one or more genetic, infectious, nutritional or environmental factors, it is often difficult to identify the exact causes. Some congenital anomalies can be prevented.
