Which process is the first step in the formation of urine in the nephrons? O filtration
O secretion :
O reabsorption
O absorption

I’m doing some practice exam questions for biology, and i’m not sure how to do these 3 parts to the question.

Lucia is walking barefoot in her yard. she accidentally steps on a nail. how will her nervous system work to generate a reaction? arrange the eventschronologically.

Jasmine, at 33 months of age, is able to engage in some self-care behaviors but still has trouble with tasks such as putting on socks. a few months later, she accomplishes this same task relatively easily. the change in abilities is most likely due to