Question

your deltoid is connected by ________ to your clavicle, scapula, and humerus. *

muscles

ligaments

actin

tendons

Explanation:

To solve this, we analyze each option:

• "muscles": The deltoid is a muscle, so it can't be connected to bones by muscles. Eliminate.
• "ligaments": Ligaments connect bones to other bones, not muscles to bones. Eliminate.
• "actin": Actin is a protein involved in muscle contraction, not a connective tissue for muscle - bone attachment. Eliminate.
• "tendons": Tendons are the connective tissues that attach muscles to bones. The deltoid (a muscle) is attached to the clavicle, scapula, and humerus (bones) via tendons.

Answer:

D. tendons