Isn’t the answer to C when one goes over the top of another?
        
             
        
        
        
Answer:
Explanation:
Red blood cells contain enormous amounts of a protein called hemoglobin. This iron-containing molecule binds oxygen as oxygen molecules enter blood vessels in the lungs. Hemoglobin is also responsible for the characteristic red color of blood.
 
        
                    
             
        
        
        
Answer: ONLY CERTAIN SUBSTANCES CAN PASS THROUGH IT
Explanation: 
1 only gases and water can pass through it.
2 substances need permission to pass through it.
3 only certain substances can pass through it.
4 substances need carrier molecules to pass through it.
5 ATP is always needed to move molecules across the plasma membrane.
 
        
             
        
        
        
Answer: False 
Explanation:
Compression of mortality refers to the reduction over time with regards to the variance of the age of people at death. 
The extent to which the organ can help in preserving normal function despite the fact that there's a reduction in the number or cell activity is referred to as compression of morbidity.
When morbidity is compressed, it should be noted that individuals can be expected to live healthier and longer as well. 
Therefore, the statement is false
 
        
             
        
        
        
Answer:
My best guess would be boil it!