Answer: Option B.
Left atrium.
Explanation:
Pulmonary veins are veins that transmit oxygenated blood from the lungs to the heart. There are four largest pulmonary veins,two from the lungs that drain into the left atrium of the heart. The blood that is drained into the left atrium is pumped into the left ventricle through biscupid valve. The pulmonary vein function in respiration by receiving oxygenated blood in the alveoli and return it to left alveoli.
Brain structure that controls the autonomic nervous system is the hypothalamus of the brain. It is located on lower part of the top end of the brain stem. The hypothalamus specifically important for maintaining homeostasis, the proper balance of the body’s internal environment such as body temperature, blood sugar, breathing. Thus, the hypothalamus maintains homeostasis by controlling the autonomic nervous system.
Answer:
A person eats one hard-boiled egg and digests the egg fully. During cellular respiration MOST of the Calories in the egg is converted to heat.
Answer:
The nitrogenous bases in DNA are adenine (A), guanine (G), thymine (T), and cytosine (C).
Explanation:
