Answer:
The spleen acts as a filter for blood as part of the immune system. It also helps fight against certain kinds of bacteria that cause pneumonia and meningitis.
Normally cooks with microwaves emitting from a device in the microwave(sorry,I don't know the name of the device)
Including DNA ATP, & many identical or nearly identical enzymes.
Answer:
number 4 because they look similar in way like there maybe backwards?
