Answer:
The purpose of the organs of the male reproductive system is to perform the following functions: To produce, maintain, and transport sperm (the male reproductive cells) and protective fluid (semen) To discharge sperm within the female reproductive tract during reproduction
Answer: Biomes differ in the amount of precipitation they receive, their temperatures, and the life that inhabits each biome. ... Each biome is filled with organisms adapted to live in one of its ecosystems and each biome is determined by temperature and precipitation, accounting for differences between biomes.
The heart beating and the circulation of blood is "involuntary"
Answer:
Mechanical digestion
Chemical digestion
Explanation:
Food is physically broken into smaller parts. For instance, by chewing.
Food is broken down by acids and enzymes into its basic units.
D is not a requirement as good fuel can be in liquid as well as gaseous in nature