The diagram shows an alveolus. blood from alvoolus
blood to alveolus
(4)
AIR
blood capillary
(a)
© Label structure M on the diagram above
(1) Name gas Y shown on the diagram above,
(h) Explain how gas X passes from the alvoolus into the blood capillary
121
(2)
(1)

An organ system consists of a group of organs that performs specific functions necessary for the survival of an organism. humans have eleven different organ systems: integumentary, skeletal, muscular, nervous, endocrine, circulatory, lymphatic, respiratory, digestive, urinary, and reproductive. discuss the function of neurons, the brain and the spinal cord within the human nervous system while explaining the interrelationship of each organ.

Diffusion and osmosis are forms of passive transport

Which statement names a physical property of wood? wood does not rustwood can burnwood can rotwood is softer than coal