Answer: B. Closed
In a closed circulatory system is the one in which the blood is circulated to all the parts of the body of the organism through vessels of different length and width. In this system the blood is pumped from the heart through blood vessels where it is transported to different organs and cells of the body instead of filling up the body cavity.
They have hooks so that the seeds can spread around, get carried away and land in a place be planted and grow.
Answer:
Investigation: a searching inquiry for gathering detailed facts...
Experiment: an orderly procedure carried out with the goal of verifying , refuting or establishing the valitity of a hypothesis.... .
Explanation:
Sadanvama1979 GREETINGS
Answer:
the correct answer is D
Explanation:
In the germinal stage it is said that it lasts between 10 days and two weeks. During this stage, the fertilized egg divides and advances through the fallopian tube until it implants in the wall of the uterus.
If it cannot be implanted in the wall of the uterus, then it is considered a miscarriage due to the pregnancy, it cannot be carried out and it is very rarely perceived by the woman that the presence of the fertilized cell is imperceptible in bleeding.
Answer:
blood
Explanation:
Contractions of the myocardium pump blood through the circulatory system.
