Answer:
Options B and D
Explanation:
In animals, gaseous exchange takes place in the alveoli in the lungs. Generally, animals breath-out (exhale) carbon dioxide and breath-in (inhale) oxygen. Thus, carbon moves from the blood in the form of carbon dioxide into the alveoli in the lungs while the oxygen inhaled moves from the alveoli in the lungs to the blood where it is transported round the body as oxyhaemoglobin.
Macula is the part of the eye that focuses image
Alzheimer’s disease is the most common type of dementia, a general term for a decline in mental abilities. With Alzheimer’s disease, someone will experience a decline their abilities to:
remember
think
judge
speak, or find words
problem solve
express themselves
move
In the early stages, Alzheimer’s disease can interfere with day-to-day tasks. In the later stages, someone with Alzheimer’s will depend on others to complete basic tasks. There are a total of seven stages associated with this condition.
There’s no cure yet for Alzheimer’s, but treatment and interventions can help slow the progression. By knowing what to expect from each stage, you can be better prepared for what is to come.
Look at the way that they act. If they are into doing rebellious things, that could be bad. If they hang out with kids that you know aren't good kids, that could also be bad. If they ask you if you want some drugs or alcohol, that is DEFINITELY bad.