The Major function of the respiratory system is to exchange oxygen and carbon dioxide. Inhaled oxygen enters the lungs and reaches the alveoli, the layers of the cells lining the alveoli and the surrounding capillaries are each only one cell thick and are in very close contact with each other, the barrier between air and blood averages about 1 micron in thickness. Oxygen diffuses quickly through the air-blood barrier into the blood in the capillaries. Similarly, carbon dioxide passes from the blood into the alveoli and is then exhaled.
Answer AND Explanation:
Let H be for normal blood clotting gene.
XH Xh
XH XHXH XHXh
Y XHY XhY
The probability of the couple having a hemophilia sex-linked trait is 25% and 75% for normal children.
Answer:
Diencephalon
Explanation:
Brain stem and cerebrum are connected through diencephalon. It is a part of forebrain and carries sensory information and autonomic functions of the peripheral nervous system are also controlled by it. The brain stem is present beneath the cerebrum and cerebellum lies in front of it. It progresses from above the cerebrum and is connected to the spinal cord below. Medulla oblongata, one and midbrain are part of the brain stem
Answer:
Humans are burning carbon and putting it into the atmosphere.
Explanation:
Humans are not benefiting our atmosphere, it would be better without us but doesn't mean we cant help!
