Biology, 11.04.2021 20:00 mmmmm96061
The four statements below describe some of the events that occur during the flow of blood through the heart. By placing the numbers 1 to 4 in the boxes, indicate the correct sequence of these events, starting immediately after deoxygenated blood has entered the heart and ending as the blood is sent to the lungs.
The right atrium contracts.
The semilunar valves open.
The right ventricle contracts.
The tricuspid valve closes.
ANSWER ASAP!! I'D GIVE YOU BRAINLIEST
Answers: 3
Biology, 22.06.2019 00:40, spreadlight10
3points hurry! what is the relationship between biotechnology, sharkskin, and disease resistance? bioengineers have developed an artificial sharkskin that does not allow resistant bacteria to grow on it. disease-causing microbes have been genetically modified to keep them from infecting the skins of sharks. scientists have created a device that can be attached to the skins of sharks that dramatically increases their abilities to resist disease. sharkskin produces many chemicals that can be collected and used to create antibiotics.
Answers: 1
Biology, 22.06.2019 12:30, musa79
Which of the following observation darwin shape his concept of descent with modification? a) species diversity declines farther from the equator. b) fewer species live on islands than on the nearest continents. c) birds live on islands located farther from the mainland than the bird's maximum nonstop flight distance. d) south american temperate plants are more similar to the tropical plants of south america than to the temperate plants of europe. e) earthquakes reshape life by causing mass extinctions.
Answers: 1
Biology, 22.06.2019 14:30, angelrenee2000
The table above shows five different types of chromosomal abnormalities that can occur during meiosis. they result in either an individual having too many or too few chromosomes in their genome. what is the most likely cause of these chromosomal abnormalities?
Answers: 1
The four statements below describe some of the events that occur during the flow of blood through th...
Mathematics, 27.09.2019 03:20
English, 27.09.2019 03:20
Mathematics, 27.09.2019 03:20