Select two functions of the circulatory system.

a
to distribute blood throughout the body

b
to coordinate the actions of the body

c
to secrete hormones in different areas of the body

d
to transport oxygen to tissues throughout the body

e
to remove excess waste materials from the body

f
to the body respond to external stimuli

Indica el nombre y la fucion de los vasos sanguineos que entran y salen de los riñones

In eukaryotes, genetic information is passed to the next generation by processes that include mitosis or meiosis. which of the explanations identifies the correct process and supports the claim that heritable information is passed from one generation to another? a. mitosis, followed by cytokinesis, produces daughter cells that are genetically different from the parent cell, thus insuring variation within the population. b. during mitosis, dna replication occurs twice within the cell cycle to insure a full set of chromosomes within each of the daughter cells produced. c. in asexual reproduction, a single individual is the sole parent and passes copies of its genes to its offspring without the fusion of gametes. d. single-celled organisms can fuse their cells, reproducing asexually through mitosis to form new cells that are not identical to the parent cell.

Before the can be observed by using a transmission electron microscope, cells are sliced into very thin sections. what disadvantage does this procedure present in the study of cellular parts