Animals having circulatory system
Explain whether all animals have circulatory system?
Expert
All animals do not have circulatory system. Cnidarians, poriferans, platyhelminthes and nematodes, in all these animals there are the pseudocoelom fluid but have no vessels are a vascular animals. Echinoderms also do not have true circulatory systems.
Write down the general duration of the menstrual cycle? Also how does the calendar contraceptive scheme work?
Write down the name of the DNA duplication procedure? And also write down the main enzyme which participates in it?
Explain that how does the hypophysis ovaries endocrine axis perform in the same means during pregnancy as in non-pregnant women? If pregnancy doesn’t occur how does another menstrual cycle start?
How is plant tissues categorized according to their functions?
Describe briefly the two kinds of immunity? Also define the term innate immunity?
Write down the relation between hypothalamus and hypophysis?
Give a short introduction of the term ‘microarrays’. How they are associated to DNA?
Write the difference between respiration through cutaneous and diffusion respiration? Explain if blood participate in the cutaneous respiration?
Concerning their size and fundamental morphology how and why do the male and the female gametes distinguish from all other?
Name several of the immuno suppressive agents.
18,76,764
1922318 Asked
3,689
Active Tutors
1425210
Questions Answered
Start Excelling in your courses, Ask an Expert and get answers for your homework and assignments!!