What is the function of the respiratory system? o elimination of wastes
O transport of blood
O nutritional support
o transfer of gases

***ANSWER ON EDGE: TRANSFER GASES***

which drscribes the most direct function of the nostrils?

*** ANSWER ON EDGE: permits air to enter the body ***

The finches on the galapagos island were similar in form except for variations of their beaks. darwin observed that these variations were useful for: attracting a mate defending territory building nests gathering food

To confirm when to exclude children from school it’s recommended that you refer to guidelines from which of the following organizations

Imagine a person stepping on a pin and pulling his or her foot away. look at the reflex arc of this scenario below. which statement best describes the image? a)the sensory nerve carries the signal from the effector to the interneuron, and the motor neuron carries the signal to the receptor. b)the motor nerve carries the signal from the receptor to the interneuron, and the sensory neuron carries the signal to the effector. c)the sensory nerve carries the signal from the receptor to the interneuron, and the motor neuron carries the signal to the effector. d)the sensory nerve carries the signal from the receptor to the motor neuron, and the interneuron carries the signal to the effector.