Answer:
B. system
Explanation:
An example of a system would be the circulatory system helps circulate blood carrying nutrients to organs and waste material away from organs. It includes the organs - heart, blood vessels and lungs.
Answer:
The maxillary first molar normally has three roots. The mesiobuccal root is broad distobuccal and has prominent depressions or flutings on its mesial and distal surfaces. The internal canal morphology is highly variable, but the majority of the mesiobuccal roots contain two canals.
Explanation:
Answer: slightly cooler than
Explanation:
The testes are the male gonads. These are found in a loose pouch which is called as the scrotum behind the penis. The testes are responsible for production and storage of sperms which are the male gametes, and fluids which makes up the composition of the semen in males. The testes being the sperm factor functions efficiently when the temperature of the scrotum is slightly cooler than the rest of the body.
