Anatomy and physiology Which of these actions would be controlled by the somatic nervous division of the peripheral nervous system?

A. Blood vessel dialation

B. Movement of food down the esophagus

C. Opening and closing of the eyes

D. Opening and closing of the pupils

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.

a

explanation:

haploid cells;

when you breathe in, or inhale, your diaphragm contracts (tightens) and moves downward. this increases the space in your chest cavity, into which your lungs expand. the intercostal muscles between your ribs also enlarge the chest cavity. they contract to pull your rib cage both upward and outward when you inhale.