Which of the following best defines muscles?
a. long flexible tendons that connect bones
b. tough strong tissues that provide energy to perform physical activities
c. thick fibrous cartilage that act when sent electrical signals
d. smooth long fibers that are controlled by the skeletal system

B. tough strong tissues that provide energy to perform physical activities

Explanation:

Muscles are the strong tissues that contract and relax to serve in movement of whole body. Muscles carry out cellular respiration to oxidase the nutrients to generate energy. Muscles are strong yet flexible tissues that exhibit endurance and contain fatigue inhibitor. Tendon and cartilage are the type of connective tissues.

answer; i believe the correct answer is ( proteins );

starchy vegetables are high in carbohydrates.

starchy vegetables contain more carbohydrates than non-starchy vegetables.

explanation:

there are two primary categories of carbohydrates, essentially differentiated on the basis of their carbohydrate content (which is in the form of starch - a complex carbohydrate):

those vegetables which contain little amounts of starch are termed as non-starchy vegetables, and some examples include: artichokes, broccoli and bean sprouts.

vegetables high in their starch content are distinguished as starchy vegetables, and some examples include: potatoes, chickpeas and corn.