Answer:
• An acid is an electrolyte that hydrolyses in water to release hydrogen ions.
• pH level of an acid;
- Strong acid → 0 - 3.8
- Weak Acid → 4.0 - 6.7
Answer:
A)selective permeability
Explanation:
it allows for it to choose ,small particles easily enter and leave the cell unlike large particles
The right option is d. Orthostatic
hypotension
Orthostatic hypotension is a form
of low blood pressure that occurs on standing up from sitting or lying down. It
is caused as a result of blood loss, dehydration or aneamia. The most common
symptom of orthostatic hypotension is lightheadedness or dizziness which usually
last less than a few minutes.
This is because iron is used to make a protein called hemoglobin. This protein helps blood cells carry oxygen around the body.
