Which statements describe the cardiovascular system? Select all that apply.

- It is composed of the heart, blood, and blood vessels.

- It transports nutrients and oxygen to the body’s cells.

- It transports cellular waste to the excretory organs.

- It filters blood and collects waste products.

Describe your dna model. which part do the straws represent? the pushpins? the paper clips and the black dots you made with the marker?

Is becoming less expensive to screen blood samples for dna certain diseases have genetic basis what is possible ethical concern about the availability of inexpensive dna testing

Earths energy sources include both renewable and nonrenewable resources. name at least three sources of energy that could be used in your house. then describe the ideal energy source for generating most of your homes electricity, and explain why you chose that source. can someone give me some ideas, i’m kinda confused.