New research _______ that an excess of meat and salt can contract muscles.
举一反三
- James always does overtime so that he can bring home the ________. A: bread B: meat C: bacon D: salt
- Muscles between the ribs that contract during inspiration are termed the______.
- Skeletal muscles are always stimulated to contract by: A: arteries. B: hormones. C: nerves. D: veins.
- It is these poisonous products _______ can cause the symptom of the flu, such as headache and aching muscles.
- Skeletal muscles are called voluntary muscles because: A: they are found under the skin. B: they contract without a stimulus. C: they are under our conscious control. D: they are the muscle type that provide movement.