The human immune system defends the body from pathogens. which of the following are parts of the human immune system ( need asap)

a.) skins, neurons, muscle cells, pancreas
b.) mucous, urine, kidney
c.) skin, lymph nodes, white blood cells, and spleen
d.) white blood cells and red blood cells

What prevents odyssey from killing the sleeping cyclops

Melting glaciers is a serious threat to the environment what is the possible consequence of melting glaciers on polar bears?

Coat color in cats is determined by genes at several different loci. at one locus on the x chromosome, one allele (x ) encodes black fur and another allele (xo) encodes orange fur. females can be black (x x ), orange (xoxo), or a mixture of orange and black called tortoiseshell (x xo). males are either black (x y) or orange (xoy). bill has a female tortoiseshell cat named patches. one night, patches escapes from bill\'s house, spends the night out, and mates with a stray male. patches later gives birth to the following kittens: one orange male, one black male, two tortoiseshell females, and one orange female. what are the genotypes of patches, the stray male, and the kittens?