Which statement is correct about how muscles move bones?
a. tendons connect extensors and flexors to each other
b. extensors cause a bone to move initially
c. the insertion is where a muscle attaches to the bone it wants to move
d. the origin is where only flexors attach to move a nearby bone
baking soda and vinegar react, and one of the products of the reaction is carbon dioxide gas. this gas forms bubbles that are surrounded by the liquid.the foam is produced when bubbles of carbon dioxide from the reaction of sodium bicarbonate are trapped in the batter.
parthenogenesis is defined as the reproduction from an ovum without fertilization, especially as a normal process in some invertebrates and lower plants. parthenogenesis is a type of reproduction that does not require a mate. it’s rarely seen in birds and higher vertebrates. parthenogenesis involves the formation of a zygote. but this zygote is formed without fertilization. in parthenogenesis, in the absence of a male gamete, the ovum develops directly in the zygote. it is particularly common amongst arthopods and rotifers.
viruses pose a challenge to the body's immune system because they hide inside cells.
a. tendons connect extensors and fle...