3 type Leaves! DESPREATE HELP make sure to say what type of tree they come from (instructions from teacher cant be from a a bush ONLY TREE)
explain the shape the margin and the venation
name 3! if correct ill give brainily thing a thanks and 5 stars!
and if you send a link I will be so mad ive been trying get this and its due tonight I just need some help I dont understand this homework at all and im using my points I worked hard for so please

Will someone me with this.. specialized cells which perform a particular function form: tissues organs or organism

Urgent. the table shows the relative blood flow through some organs in the human body that is, the percentage of blood that flows through a given organ, through which organ(s) does all the blood flow? explain the effect of exercise on blood flow to skeletal muscles.

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.