The majority of current hemodynamic monitoring involves placement of different types of catheters into areas within the:

cardiovascular system.

Explanation:

The circulatory system, also referred to as the cardiovascular system or vascular system, is an organ system that enables nutrients (such as amino acids and electrolytes), oxygen, carbon dioxide, hormones, and blood cells to and from the body's cells to circulate and carry food.

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both male and female gametes are produced by meiosis of the germ cells. therefore, both male and female gametes are haploid. one male and one female gamete unite during the fertilization to form the diploid zygote. in seed bearing plants, pollen grain is the male gametophyte, which produces sperm cells.