Answer:
Tell the younger student that organs are singular objects and systems are a group of organs that work together to perform certain jobs.
Explanation:
Organs are singular units that play a part of human survival. (Ex. the heart cleans the blood and pushes through your veins)
Systems are a group of the singular units that work together to perform a certain function.
(Ex. Lungs, heart, veins and arteries make up the circulatory system which transports oxygen, blood, and nutrients through out your body)
They are the energy needed to do all everyday things
Bile from the gallbladder is escaping through cardiac sphincter into esophagus
Answer:
DNA
Explanation:
the parent's DNA are in the genes so when they get transferred, their offspring receives them.
Answer:
Bacteria.
Explanation:
Virus, Parasite, and Fungi all use a host for pure personal gain. Some strains of bacteria are beneficial, and are ingested regularly in the form of probiotics.