Vertebrates have closed circulatory systems their blood flows through blood vessels like veins and arteries and they have a heart to push the blood around the body. thats why the human circulatory is a closed system
Answer:
A: (a)Esophagus carries food from the mouth into the stomach
B: (b) stomach (c) It takes in food from the esophagus, mixes it, breaks it down, and then passes it on to the small intestine in small portions
C: large intestine (c) absorbing water and electrolytes, producing and absorbing vitamins, and forming and propelling feces toward the rectum for elimination
D: (e) liver produces bile
E: (f) gallbladder (g) holds a fluid called bile
F: pancreas (h) creates natural juices called pancreatic enzymes to break down foods.
G: (i) small intestine absorbs digested food
I: anus (i) is able to detect rectal contents.
Hope This Helpsss :)
Answer:
the lens loses its ability to change shape readily
The cervix is located at the bottom of the uterus and must dilate 8cm during childbirth
Answer:
I Dont know but ppl keep reporting my questions
