Answer:
Weight stress
Explanation:
Analyzing FDA-regulated nutrition labels is a way to manage weight stress. It helps to improve your body:weight ratio.
 
        
             
        
        
        
The photosystem
This unit absorbs light energy for photosynthesis.
        
             
        
        
        
This is a question that you would have to answer 
for example: i found a small and colorless bear looking animal(sight). When i touched it was fuzzy and soft(touch). It smelled like dirt and lavender(smell). The creature was sleeping and it was breathing slowly(hearing). I took one of its hair’s and it was like human hair(taste) 
BUT REMEMBER since it’s a species it could be an animal or human or a plant.
hopefully I could help!!
        
             
        
        
        
Answer:
Autorhythmicity of the heart
Explanation:
It is the study of the characteristics features of the cardiac muscle cells with the ability to initiate action potential at certain level without connection to any external stimulus which the heart beats constantly and rhythmically. Cardiac muscle cells controls the rate of contraction of heartbeats.