What two body systems play a role in the flexion of an elbow joint

Muscle and Skeletal System

Explanation:

The muscle system and skeletal system allows movement

a

explanation:

many plants naturally reproduce this way, but it can also be induced artificially. horticulturalists have developed asexual propagation techniques that use vegetative plant parts to replicate plants. success rates and difficulty of propagation vary greatly. monocotyledons typically lack a vascular cambium and therefore are harder to propagate.