Answer:
The types of DNA and the bones structure
Explanation:
bc many of these animals had descends of other animals and we can see it by the bone structure that they are almost the same
The terminal cisternae releases calcium ion
The terminal cisternae act as calcium storage sites. The calcium ions stored in the terminal cisternae are essential in muscle contraction. The calcium release unit of muscle consists of terminal cisternae of the sarcoplasmic reticulum and it is adjacent transverse or T- tubule that is the invaginated part of the surface membrane.
OB. A man’s testicles have not properly descended, lowering sperm count
