Answer: Sieve tubes and cytoplasm.
Explanation:
 
        
             
        
        
        
Answer:
 Juvenile stages of fish and jellfish, small fish, crustaceans and sea stars
Explanation:
hope it helps and give brainliest 
 
        
             
        
        
        
Answer: The SA node
Answer choices are:
<span>A.      </span>The AV node
<span>B.      </span>The SA node
<span>C.      </span>The purkinje fibers
<span>D.     </span>The AV bundle
The SA node<span> is the heart's natural pacemaker consisting of a cluster of cells located in the upper part of the wall of the right atrium. (the right upper chamber of the heart). The electrical impulses are produced and sent out from there to regulate heartbeat. This is also called the sinus code.  </span>
 
        
                    
             
        
        
        
The best answer to the question above is <span>The elbow is distal to the wrist.
Our body is made up of eight regions. To avoid confusion, there are c</span><span>linical anatomy terms to describe these eight body regions. These are: 
</span><span>Superior, </span><span>Inferior, </span><span>Anterior.,</span><span>Posterior, </span><span>Median, </span><span>Medial, </span><span>Lateral, </span><span>Proximal, </span><span>Distal, </span><span>Superficial,</span><span> </span><span>.</span><span>Intermediate,</span><span> </span><span>Deep, </span><span>Unilateral, </span><span>Bilateral, </span><span>Ipsilateral, and </span><span>Contralateral.</span>
        
                    
             
        
        
        
Answer:
Homeostasis is the ability to keep a stable internal state, despite changes in the environment. All living organisms must regulate their internal environment to process energy and survive. Hope it helps