Answer:
a. True
Explanation:
Endothelial cells 
These cells are found in all the parts of the circulatory system , these are about a cell thick , and composes a wall known as the edothelium , which lines all the blood vessels , i.e. , the arterioles , veins , capillaries , arteries , venules . 
Beneath the endothelial cells , there is a layer of smooth muscle cells . 
 
        
             
        
        
        
Answer:
Sudden sickness in the stomach. Infectious organisms, including bacteria, viruses, and parasites, or their toxins are the most common causes of food poisoning.
Explanation:
Help from the internet.
Hope I helped!
 
        
             
        
        
        
The best category for each medical term are:
- PET scan (for positron emission tomography)- diagnostic tool.
- An electrocardiogram  -diagnostic tool. 
- Gunther’s disease - disorder.
<h3>What are electrocardiogram?</h3>
An electrocardiogram (ECG) is known to be a kind of a test that can be used to be able to examine a person's heart's rhythm as well as their electrical activity.
Note that it is one that has  Sensors attached to the human skin and this is said to be used to know the electrical signals made by the heart each time it  said to beats.
A PET scan is known to be a kind of an effective way to help know a lot of conditions such as cancer, heart disease and others.
Therefore, The best category for each medical term are:
- PET scan (for positron emission tomography)- diagnostic tool.
- An electrocardiogram  -diagnostic tool. 
- Gunther’s disease - disorder.
Learn more about electrocardiogram  from
brainly.com/question/9328700
#SPJ1 
 
        
                    
             
        
        
        
Answer:
A. Sertraline
B. Clomiphene
C. Pitocin
D. Misoprostol
Explanation:
I calculated it logically
 
        
             
        
        
        
Answer:
no blood is not suitable for donation as it will clot too much in the recipient patient and can cause severe problems. 
Explanation: