Answer:
Down below
Explanation:
1. if you have a lack of oxygen while in a state of heavy movement your heart will stop pumping blood because your whole body isnt receiving enough oxygen and now everything will begin to shutdown
2. you cant stop anything unless you get oxygen , it will take longer for you to die with lack of oxygen or no oxygen at all for that matter
3. atheletes will usually take heavy breaths of oxygen before holding their breaths for longer periods of time
Answer:
possible genotypes of offsprings are A.
TT Tt and tt
Answer:
Veins are blood vessels in humans, and most other animals that carry blood towards the heart. Most veins carry deoxygenated blood from the tissues back to the heart; exceptions are the pulmonary and umbilical veins, both of which carry oxygenated blood to the heart. In contrast to veins, arteries carry blood away from the heart.
Explanation: