Answer:
the answer would be the 3rd answer
Explanation:
a half life is the time it takes for half of a radioactive substance to decay
I hope this helps :)
Answer:
leaves
Explanation: you just got coconut malled send this to a friend to totally coconut mall them
Both A, B, and C are found in the excretory system.
Myofibrils are in the muscle of the intestines, villi increase surface area of the intestine, and nephrons help to filter in the kidney. Osteoblasts are found in bone, so therefore is not part of the excretory system
Answer:
A vaccine works by training the immune system to recognize and combat pathogens, either viruses or bacteria. To do this, certain molecules from the pathogen must be introduced into the body to trigger an immune response.
Explanation:
Basically it trains the body by giving it a little expirementation withthe sickness. After that, the body will learn how to properly fight or keep the sickness at bay.
Hope it helped!;)
Answer:
Vacuole is a cell organelle which contains mainly water while lysosomes also cell organelle and are regarded as bags by function. Vacuoles stores the undigested nutrients while the Lysosomes are the membrane bound sacs containing digestive enzymes that breaks down large molecules.
