Answer:
Organs can be grouped by their function, these groups are called systems.
many types of tissues can combine to form an organ,
and
many organs grouped together are called tissue
According to the Red Cross, people who have tattoos can donate blood. It's just that they would have to wait for 5 or 6 months after getting a tattoo before donating their blood. Same thing if you get your ears pierced.
Answer:
b, c, d
Explanation:
it makes it smell better, adds flavor to it and keeps it fresh for a longer time.
Answer: The automatic response to tensing your muscles after you hear the sound of the clanking the rollercoaster makes is an example of the phrase pavlov's dogs, which can refer to classical conditioning because it refers to the habit of automatic response to a stimulus.
Answer:
to store unused calories for later
Explanation:
