Answer: Peristalsis is a series of wave-like muscle contractions that move food through the digestive tract
Answer:
Organs can be grouped by their function, these groups are called systems.
many types of tissues can combine to form an organ,
and
many organs grouped together are called tissue
Answer:
I think The answer is sponge.
Explanation:
Condoms are also known as "barrier" methods of birth control; they physically block or otherwise prevent sperm from entering the uterus and reaching the egg for fertilization. The diaphragm, cervical cap, and sponge are used along with spermicide (a chemical substance that destroys sperm) to prevent pregnancy.
