<span>A pathogen exists in the ground air and living thing but does not need them to live or reproduce. It can be a virus, protozoa, parasite, fungus, or bacterium which can cause infection to human. Some pathogens lead to the disease called malaria which is from a bacteria that released toxins in the body. However, our white blood cells can destroy these pathogens.</span>
Explanation:
Both heads of the muscle arise on the scapula and join to form a single muscle belly which is attached to the upper forearm. While the biceps crosses both the shoulder and elbow joints, its main function is at the elbow where it flexes the forearm and supinates the forearm.