Number 1: The Circulatory System is a vast network that contains organs and vessels.
number 2: Arteries have a thick wall which helps a powerful pressure from the heart.
number 3: Without the Circulatory System the body wouldn't be unable to maintain a internal environment.
number 4: The Circulatory and Respiratory system both have gas to help a or animal live in there internal environment.
number 5: Blood vessels brings oxygen to the tissues and absorbs carbon dioxide and other waste products to clear the lungs. And with out oxygen the tissues won't absorb carbon dioxide to clear out the lungs.
number 6: D
One is the diversification
of food sources. Second is increasing agricultural
production by implementing good agricultural practices and adopting
contemporary technologies such as Genetically Modified Foods. The third is increased exports to these counties
with undefined populations. Fourth is embracing good agricultural land management practices such as reducing land
fragmentation/subdivision so as to promote large-scale
production.
Answer:
by looking at their physical features, the fossil record, and dna sequences
It gives you a sign that digestion is having a hard time taking place.
Answer:
Carbohydrate.
Explanation:
Glycogen is a form of stored carbohydrate in animals.