Which of the following is an example of how the respiratory system interacts with the circulatory system to excrete waste?

1. The veins carry blood from different parts of the body to the heart, and the lungs exhale the carbon dioxide.
2. The arteries carry blood from different parts of the body to the heart, and the lungs exhale the carbon dioxide.
3. The veins carry oxygen-rich blood to the different parts of the body, and the arteries carry carbon dioxide-rich blood to the heart.
4. The arteries carry oxygen-rich blood to the heart, and the veins carry blood from the lungs to the different parts of the heart.

Tara sees a commercial for a brand of pills that promise to boost energy and people perform better in work and school. as people in the commercial talk about how much better they feel when taking the pill, tara notices a message on the bottom of the screen that reads, "this pill is not approved by doctors and has not been tested in controlled experiments." what is the best conclusion that tara should make about the commercial? it is making scientific claims based on subjective observations. it is making scientific claims based on opinions instead of pseudoscientific facts. it is making pseudoscientific claims based on objective observations. it is making pseudoscientific claims based on opinions instead of scientific facts.

The first three phases of the cell cycle are collectively known as (1 point) play audio cellular respiration. telophase. mitosis. interphase.

Plz genetic engineering can be applied to many fields including medicine and agriculture. which of the following is a medical application of genetic engineering? a. giving crop plants recombinant dna so that they would be resistant to herbicides. b. examining a persons pedigree to determine whether they can carry a gene for a genetic disease. c. analyzing a persons dna to see how closely they are related to another person. d. certain genes into bacteria so that they will produce a needed medicine.