Ergonomic .........................
Ligaments are short bits of tough tissue that attach bones to other bones in a way that allows them to flex and bend the way they do.
Hope that helped! =)
The best advice I can give you is come to school every day and try your hardest, study a lot but most importantly don't take classes that are too hard for you. With my classes if I don't understand I make a game out of studying with my classmates or I find ways so I will understand.
Answer:
It may surprise you to know that cockroaches are, in fact, able to bite humans. There have been reported cases of cockroaches biting fingernails, eyelashes and calloused skin on hands or feet. Cockroaches will also eat dead skin cells. However, cases of cockroach bites are extremely rare.
Explanation: