Answer:
D
Explanation:
All the body's systems are linked together in some way. They all interact to produce a fully functioning organism.
A is not correct, becomes hormones are part of the endocrine system, not the immyne system.
B is not correct, because they are not explicitly involved in homeostasis
C is incorrect, all the systems are always working in the background.
The correct answer is D, one way in which the two systems are linked is that the cells of the immune system need to circulate around the body. The circulatory system is incredibly important for this, ensuring that the cells can reach their target sites
Ok, think about it. Does your skin prevent germs from getting inside you?
Does your skin prevent water from leaving the body too quickly? Does your skin protect your insides from getting damaged when you fall? Do you put food on your skin to absorb nutrients, or do you put food in your mouth like a normal person?
Answer:
SURGERY.
Explanation:
Based on classification by the United States department of Agriculture, Category C, animals are exempted from procedure that can inflict pain, or distress.in addition any procedure that involved the use of analgesics (e.g. surgery) should not be performed on the animals.
Besides, regular procedures, of administration of injections and taken blood samples(preparation for surgery) which may produce minimal discomfort are also classified in this category.
Carbon atoms are converted into metabolites like acetic acid, lactic acid, aldehydes, etc via the action of different bacteria. In the process of fermentation or cellular respiration, carbon atoms are cleaved into three carbon molecule called pyruvate then eventually forming into metabolites.
Scientist can look at DNA sequences to determine if they are related, A scientist named Darwin proved that all species are related and descended from one common ancestor.
