Answer:
The answer is Physical. Physical immunity occurs when a person immune system responds to antigen.
Explanation:
Answer:
Topographically SN is classified into:
1. Central SN- made up of the brain and spinal cord
2. Peripheral SN- made up of nerves (31 pairs of spinal nerves, 12 pairs of cranial nerves), nerve plexuses and nerve ganglia
Structural Dpdv
1. Somatic SN \ of relationship life
2. Vegetative SN a) sympathetic- acts in unusual conditions (eg stress, fear)
b) parasympathetic- acts in normal life conditions
Explanation:
By diffusion. Letter c.
Diffusion occurs when the smell of the bread "sticks" to the air and if the air travels from a room to another, the smell will go with it.
Hope it helped!
Answer:
Answer
Explanation:
All living things are composed of cells.
Cells are the basic units of structure and function for living things.
All cells come from pre-existing cells. Also, organisms grow by “adding on more cells” NOT by increasing the size of their cells.
Answer:
seleccion natural, habilitar
english translation: natural selection, and habilitate.
