Answer:
B
Explanation:
Cytoplasm is like air in the city analogy
Answer:
c. Cells contain tiny organisms within them.
Dorsal means back as in the back area. Example~ Many dolphins have a pronounced beak and all have a central dorsal fin and sharp teeth for feeding, mainly on squid and fish.
Answer:
The Excretory System, The Reproductive System and The Endocrine System.
Explanation:
The Excretory System includes your bladder, uterus, and some of your organs. It is also called the "Urinary System". The Reproductive System includes your birth canal. This system helps to reproduce the body to have babies. The Endocrine System includes your hormones. It helps the body to depend on growth development or mood.
I hope this answers your question! :)
The answer should be the refractory period
