Answer: B. They are a first line of defense that can begin killing pathogens immediately.
Explanation:
B-lymphocytes are not the first line of defense. On the contrary, innate immune cells such as basophils, dendritic cells, eosinophils, Langerhans cells, mast cells are the body's first line of defence.
Answer:
Most polymers, including poly(ethene) and poly(propene) are not biodegradable . This means that microorganisms cannot break them down, so they: cause a litter problem if disposed of carelessly. last for many years in landfill sites.
Answer:
Secretes enzymes and other liquids that aid in the digestion and processing of food
Explanation:
The liver is a large organ in the body, if not the largest. It possess a red-purple color and constitutes a part of the digestive system. The liver carry out many functions in the human body; inclusive of digestive function. Although it is not a main digestive organ.
During digestion, the liver is responsible for processing of absorbed nutrients by releasing certain hormones and chemicals like bile, which aids in digestion of fat. This is the reason the liver is considered a "gland"
Answer:
C
Explanation:
The one that got caught was the one that was most likely least essential to the herds' survival. It was either sick, young, elderly or injured.
Answer:
Variables are parameters that are monitored and controlled or affected by the feedback system
Explanation:
