Answer:
Papillae are the little bumps on the top of your tongue that help grip food while your teeth are chewing. They also have another special job – they contain your taste buds, the things that help you taste everything from sour lemons to sweet peaches. Yummy!
Explanation:
Answer:
3) 30-40 beats per minute.
Explanation:
It's usually 30-40.
True fern fronds grow from underground stems called sori.
