Es el principal músculo de la respiración: a) Diafragma
b) Páncreas
c) Aire
d) Saliva
e) Pulmón

What food can provide the body with a quick source of the energy needed to carry out cell functions (a) whole grain bread (b) ground hamburger (c) vegetable oil (d) whole milk

How do cells grow and reproduce to maintain homeostasis?

What would be the result if crossing over did not happen during meiosis in humans? a. there would be less genetic variation in humans. b. parents would be more likely to look like their children. c. the human population could not reproduce. d. children would have more chromosomes.