Answer:
The X and Y sex chromosomes
Explanation:
Enters the left atrium...this is the oxygenated blood from the lungs (pulmonary)
Protons and neutrons. But since the protons outweigh the neutrons. so your answer is d
Organisms can be made up of many<em> </em><u>cells</u>, which could be arranged into <u>tissues</u> which can make up<u> organs</u>, organs can be part of a(n)<u> system</u>. These are........i don't really know after this since you didn't give a lot to work with and i'm not even sure if this is right or not lol.
The first part, called the duodenum, connects to the stomach. The middle part is the jejunum. The third part, called the ileum, attaches to the colon. , please give brainliest
