In skeletal muscle, calcium ions leave the terminal cistern via the:
a. DHP receptor
b. Nicotinic ACh receptor
c. Ryanodine receptor
d. Calcium ATPase
e. Voltage-gated calcium channel​

Match the type of adaptation to the correct example, structural adaptation functional adaptation behavioral adaptation example type of adaptation elephants live in herds to protect their young leaves of a rain forest plant species have a pointed tip that enables rainwater to drain off easily. camels have nostrils that they can close snakes produce venom to kill prey and defend themselves. earthworms coil when touched, as part of a defense mechanism. human skin darkens with increased exposure to sunlight.

Which statement best describes the role of religion and culture in ancient medicine?

What is the most abundant vertebrate on earth?