HELP!!! What is the function of the type of muscle that is pictured below?

Skeletal muscle.
support and movement of the skeleton
movement of food through the digestive system
contraction and relaxation of the heart
generation and conduction of electrical signals

Choose one animal (cheetas) and research on the internet what has contributed to this animal becoming "endangered" or "threatened." what animal you have chosen? how long has the animal been endangered or threatened? what has contributed to this animal’s endangered or threatened status? why is it important to save this animal from extinction? after researching and gathering facts, write a 350-word letter from the point of view of an animal rights' activist. be sure to include at least five facts that you learned from your research.

Which units ate used to measure both velocity and speed? check all that apply

What best describes the structure of the declaration of independence?