Muscles can only cause bones to move by contracting. this means that a muscle can only move a bone in one direction so muscles work in antagonistic pairs - one muscle contracts while the other relaxes.

Most of the ATP made during cellular respiration is produced in which organelle. A ribosomes B Krebs cycle CMitochondria D golgi apparatus

Which one does not belong thromboplastin, fibrinogen, platelets, antibody production

List any six features found both in plant and animal cells

What was Mendel trying to determine?

When water vapor in the atmosphere cools, it may form ___? A) wind B) a gas C) steam D) a cloud

Which of the following correctly arranges the planets by the size of their diameter? A) Uranus < Neptune < Mercury < Earth B) Earth < Mercury < Neptune < Uranus C) Mercury < Earth < Saturn < Jupiter D) Jupiter < Saturn < Earth < Mercury

How does ultra radiation cause skin cancer

How many ribose molecules are found in ATP?

Would a person be squashed by extreme gravity, float with ease, freeze, burn up, or something else

According to "Life Without Gravity," why can astronauts' muscles become weak? A. Without gravity, the blood is rerouted from the legs to the head. B. Without gravity, the body "grows" by as much as several inches. C.