So this is a face reveal cause I’m ugly and what not and God has decided to let me live another day so I’m going to make it everyone’s problem tehee okie don’t mind my sleep deprived eyes I can barley keep them open this is for my friends on but if your not a friend feel free to make fun of me I love being degraded

Drag each tile to the correct box. the body monitors the levels of oxygen in the blood to regulate breathing. isabel is running in a marathon and is near the finish line. she feels out of breath. how will her nervous system work to generate a reaction? arrange the tiles in chronological order. isabel's breathing rate increases. sensory receptors in the arteries detect low oxygen levels. the brain sends signals through motor neurons. sensory neurons generate an impulse. the central nervous system relays an impulse to certain brain regions.

Describe your dna model. which part do the straws represent? the pushpins? the paper clips and the black dots you made with the marker?

Ruby is conducting an investigation. an advantage of her design is that she can use a large range of variables, with that she can not be sure that one variable is the cause of another. what kind of investigation is ruby most likely conducting?